64042952128 has 14 divisors (see below), whose sum is σ = 127085233256. Its totient is φ = 32021476032.

The previous prime is 64042952123. The next prime is 64042952131. The reversal of 64042952128 is 82125924046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64042952123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500335500 + ... + 500335627.

Almost surely, 2^64042952128 is an apocalyptic number.

It is an amenable number.

64042952128 is a deficient number, since it is larger than the sum of its proper divisors (63042281128).

64042952128 is a wasteful number, since it uses less digits than its factorization.

64042952128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000671139 (or 1000671129 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 64042952128 in words is "sixty-four billion, forty-two million, nine hundred fifty-two thousand, one hundred twenty-eight".