64269503056 has 80 divisors (see below), whose sum is σ = 147604838400. Its totient is φ = 26783049600.

The previous prime is 64269503021. The next prime is 64269503057. The reversal of 64269503056 is 65030596246.

64269503056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×64269503056³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64269502997 and 64269503015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64269503057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206326 + ... + 413653.

It is an arithmetic number, because the mean of its divisors is an integer number (1845060480).

Almost surely, 2^64269503056 is an apocalyptic number.

It is an amenable number.

64269503056 is an abundant number, since it is smaller than the sum of its proper divisors (83335335344).

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

64269503056 is a wasteful number, since it uses less digits than its factorization.

64269503056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620048 (or 620042 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 64269503056 in words is "sixty-four billion, two hundred sixty-nine million, five hundred three thousand, fifty-six".