64204749052 has 12 divisors (see below), whose sum is σ = 112388728480. Its totient is φ = 32093683776.

The previous prime is 64204749043. The next prime is 64204749053. The reversal of 64204749052 is 25094740246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64204749053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156052 + ... + 2185627.

Almost surely, 2^64204749052 is an apocalyptic number.

It is an amenable number.

64204749052 is a deficient number, since it is larger than the sum of its proper divisors (48183979428).

64204749052 is a wasteful number, since it uses less digits than its factorization.

64204749052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345380 (or 4345378 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 64204749052 in words is "sixty-four billion, two hundred four million, seven hundred forty-nine thousand, fifty-two".