64904364982 has 4 divisors (see below), whose sum is σ = 97356547476. Its totient is φ = 32452182490.

The previous prime is 64904364947. The next prime is 64904364989. The reversal of 64904364982 is 28946340946.

64904364982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64904364989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16226091244 + ... + 16226091247.

It is an arithmetic number, because the mean of its divisors is an integer number (24339136869).

Almost surely, 2^64904364982 is an apocalyptic number.

64904364982 is a deficient number, since it is larger than the sum of its proper divisors (32452182494).

64904364982 is a wasteful number, since it uses less digits than its factorization.

64904364982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32452182493.

The product of its (nonzero) digits is 8957952, while the sum is 55.

It can be divided in two parts, 649043 and 64982, that added together give a square (714025 = 845²).

The spelling of 64904364982 in words is "sixty-four billion, nine hundred four million, three hundred sixty-four thousand, nine hundred eighty-two".