64642662514 has 16 divisors (see below), whose sum is σ = 97677185760. Its totient is φ = 32083675200.

The previous prime is 64642662479. The next prime is 64642662521. The reversal of 64642662514 is 41526624646.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199114 + ... + 2228314.

It is an arithmetic number, because the mean of its divisors is an integer number (6104824110).

Almost surely, 2^64642662514 is an apocalyptic number.

64642662514 is a deficient number, since it is larger than the sum of its proper divisors (33034523246).

64642662514 is a wasteful number, since it uses less digits than its factorization.

64642662514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37305.

The product of its digits is 1658880, while the sum is 46.

The spelling of 64642662514 in words is "sixty-four billion, six hundred forty-two million, six hundred sixty-two thousand, five hundred fourteen".