4418143965 has 12 divisors (see below), whose sum is σ = 7658116284. Its totient is φ = 2356343424.

The previous prime is 4418143943. The next prime is 4418143973. The reversal of 4418143965 is 5693418144.

4418143965 is a `hidden beast` number, since 4 + 418 + 143 + 96 + 5 = 666.

4418143965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1095543801 + 3322600164 = 33099^2 + 57642^2 .

It is not a de Polignac number, because 4418143965 - 2⁷ = 4418143837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 98180977 = 4418143965 / (4 + 4 + 1 + 8 + 1 + 4 + 3 + 9 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 4418143965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49090444 + ... + 49090533.

It is an arithmetic number, because the mean of its divisors is an integer number (638176357).

Almost surely, 2^4418143965 is an apocalyptic number.

4418143965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4418143965 is a deficient number, since it is larger than the sum of its proper divisors (3239972319).

4418143965 is a wasteful number, since it uses less digits than its factorization.

4418143965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98180988 (or 98180985 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 4418143965 is about 66469.1203868383. The cubic root of 4418143965 is about 1640.8918365876.

The spelling of 4418143965 in words is "four billion, four hundred eighteen million, one hundred forty-three thousand, nine hundred sixty-five".