64825459212 has 24 divisors (see below), whose sum is σ = 151658516800. Its totient is φ = 21551470416.

The previous prime is 64825459159. The next prime is 64825459229. The reversal of 64825459212 is 21295452846.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7122262 + ... + 7131357.

Almost surely, 2^64825459212 is an apocalyptic number.

It is an amenable number.

64825459212 is an abundant number, since it is smaller than the sum of its proper divisors (86833057588).

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

64825459212 is a wasteful number, since it uses less digits than its factorization.

64825459212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254005 (or 14254003 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 64825459212 in words is "sixty-four billion, eight hundred twenty-five million, four hundred fifty-nine thousand, two hundred twelve".