4513635945 has 72 divisors (see below), whose sum is σ = 9682111296. Its totient is φ = 1904632704.

The previous prime is 4513635941. The next prime is 4513636021. The reversal of 4513635945 is 5495363154.

4513635945 is a `hidden beast` number, since 4 + 5 + 1 + 3 + 635 + 9 + 4 + 5 = 666.

It is not a de Polignac number, because 4513635945 - 2² = 4513635941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4513635945.

It is not an unprimeable number, because it can be changed into a prime (4513635941) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10842 + ... + 95628.

It is an arithmetic number, because the mean of its divisors is an integer number (134473768).

Almost surely, 2^4513635945 is an apocalyptic number.

4513635945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4513635945 is an abundant number, since it is smaller than the sum of its proper divisors (5168475351).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4513635945 is a wasteful number, since it uses less digits than its factorization.

4513635945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84831 (or 84815 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 4513635945 is about 67183.5987797617. The cubic root of 4513635945 is about 1652.6295317239.

The spelling of 4513635945 in words is "four billion, five hundred thirteen million, six hundred thirty-five thousand, nine hundred forty-five".