64246531002 has 64 divisors (see below), whose sum is σ = 140507136000. Its totient is φ = 19496298240.

The previous prime is 64246530977. The next prime is 64246531003. The reversal of 64246531002 is 20013564246.

It is not an unprimeable number, because it can be changed into a prime (64246531003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9732499 + ... + 9739097.

It is an arithmetic number, because the mean of its divisors is an integer number (2195424000).

Almost surely, 2^64246531002 is an apocalyptic number.

64246531002 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64246531002 is an abundant number, since it is smaller than the sum of its proper divisors (76260604998).

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

64246531002 is a wasteful number, since it uses less digits than its factorization.

64246531002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 64246531002 in words is "sixty-four billion, two hundred forty-six million, five hundred thirty-one thousand, two".