6435513264 has 40 divisors (see below), whose sum is σ = 16906864320. Its totient is φ = 2108811328.

The previous prime is 6435513197. The next prime is 6435513269. The reversal of 6435513264 is 4623155346.

It is a super-2 number, since 2×6435513264² = 82831661942239867392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6435513269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133382 + ... + 1139045.

It is an arithmetic number, because the mean of its divisors is an integer number (422671608).

Almost surely, 2^6435513264 is an apocalyptic number.

It is an amenable number.

6435513264 is an abundant number, since it is smaller than the sum of its proper divisors (10471351056).

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

6435513264 is a wasteful number, since it uses less digits than its factorization.

6435513264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272497 (or 2272491 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 6435513264 is about 80221.6508431483. The cubic root of 6435513264 is about 1860.0633253963.

The spelling of 6435513264 in words is "six billion, four hundred thirty-five million, five hundred thirteen thousand, two hundred sixty-four".