64653249914 has 16 divisors (see below), whose sum is σ = 108047212416. Its totient is φ = 28762567200.

The previous prime is 64653249911. The next prime is 64653249949. The reversal of 64653249914 is 41994235646.

It is not an unprimeable number, because it can be changed into a prime (64653249911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31262627 + ... + 31264694.

It is an arithmetic number, because the mean of its divisors is an integer number (6752950776).

Almost surely, 2^64653249914 is an apocalyptic number.

64653249914 is a deficient number, since it is larger than the sum of its proper divisors (43393962502).

64653249914 is a wasteful number, since it uses less digits than its factorization.

64653249914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62527381.

The product of its digits is 5598720, while the sum is 53.

The spelling of 64653249914 in words is "sixty-four billion, six hundred fifty-three million, two hundred forty-nine thousand, nine hundred fourteen".