64925149676 has 48 divisors (see below), whose sum is σ = 119920116288. Its totient is φ = 30724531200.

The previous prime is 64925149669. The next prime is 64925149693. The reversal of 64925149676 is 67694152946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685841 + ... + 774743.

It is an arithmetic number, because the mean of its divisors is an integer number (2498335756).

Almost surely, 2^64925149676 is an apocalyptic number.

It is an amenable number.

64925149676 is a deficient number, since it is larger than the sum of its proper divisors (54994966612).

64925149676 is a wasteful number, since it uses less digits than its factorization.

64925149676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89082 (or 89080 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 59.

The spelling of 64925149676 in words is "sixty-four billion, nine hundred twenty-five million, one hundred forty-nine thousand, six hundred seventy-six".