64246956432 has 20 divisors (see below), whose sum is σ = 165971304240. Its totient is φ = 21415652128.

The previous prime is 64246956409. The next prime is 64246956457. The reversal of 64246956432 is 23465964246.

64246956432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669239082 + ... + 669239177.

It is an arithmetic number, because the mean of its divisors is an integer number (8298565212).

Almost surely, 2^64246956432 is an apocalyptic number.

It is an amenable number.

64246956432 is an abundant number, since it is smaller than the sum of its proper divisors (101724347808).

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

64246956432 is a wasteful number, since it uses less digits than its factorization.

64246956432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338478270 (or 1338478264 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 51.

The spelling of 64246956432 in words is "sixty-four billion, two hundred forty-six million, nine hundred fifty-six thousand, four hundred thirty-two".