6464769696 has 144 divisors (see below), whose sum is σ = 22920625728. Its totient is φ = 1679155200.

The previous prime is 6464769637. The next prime is 6464769713. The reversal of 6464769696 is 6969674646.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123585 + ... + 167936.

It is an arithmetic number, because the mean of its divisors is an integer number (159171012).

Almost surely, 2^6464769696 is an apocalyptic number.

6464769696 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6464769696 is an abundant number, since it is smaller than the sum of its proper divisors (16455856032).

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

6464769696 is a wasteful number, since it uses less digits than its factorization.

6464769696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291555 (or 291544 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The square root of 6464769696 is about 80403.7915523889. The cubic root of 6464769696 is about 1862.8777375136.

The spelling of 6464769696 in words is "six billion, four hundred sixty-four million, seven hundred sixty-nine thousand, six hundred ninety-six".