4418736997 has 4 divisors (see below), whose sum is σ = 4448393100. Its totient is φ = 4389080896.

The previous prime is 4418736983. The next prime is 4418737013. The reversal of 4418736997 is 7996378144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1985682721 + 2433054276 = 44561^2 + 49326^2 .

It is a cyclic number.

It is not a de Polignac number, because 4418736997 - 2¹¹ = 4418734949 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4418736937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14827828 + ... + 14828125.

It is an arithmetic number, because the mean of its divisors is an integer number (1112098275).

Almost surely, 2^4418736997 is an apocalyptic number.

It is an amenable number.

4418736997 is a deficient number, since it is larger than the sum of its proper divisors (29656103).

4418736997 is a wasteful number, since it uses less digits than its factorization.

4418736997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29656102.

The product of its digits is 9144576, while the sum is 58.

The square root of 4418736997 is about 66473.5811958405. The cubic root of 4418736997 is about 1640.9652503589.

The spelling of 4418736997 in words is "four billion, four hundred eighteen million, seven hundred thirty-six thousand, nine hundred ninety-seven".