64264988012 has 24 divisors (see below), whose sum is σ = 116594804592. Its totient is φ = 30971072000.

The previous prime is 64264987993. The next prime is 64264988017. The reversal of 64264988012 is 21088946246.

It is not an unprimeable number, because it can be changed into a prime (64264988017) 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, 2346989 + ... + 2374212.

It is an arithmetic number, because the mean of its divisors is an integer number (4858116858).

Almost surely, 2^64264988012 is an apocalyptic number.

It is an amenable number.

64264988012 is a deficient number, since it is larger than the sum of its proper divisors (52329816580).

64264988012 is a wasteful number, since it uses less digits than its factorization.

64264988012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721329 (or 4721327 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 64264988012 in words is "sixty-four billion, two hundred sixty-four million, nine hundred eighty-eight thousand, twelve".