64658845942 has 16 divisors (see below), whose sum is σ = 102698174592. Its totient is φ = 30426295680.

The previous prime is 64658845921. The next prime is 64658845961. The reversal of 64658845942 is 24954885646.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1403323 + ... + 1448665.

It is an arithmetic number, because the mean of its divisors is an integer number (6418635912).

Almost surely, 2^64658845942 is an apocalyptic number.

64658845942 is a deficient number, since it is larger than the sum of its proper divisors (38039328650).

64658845942 is a wasteful number, since it uses less digits than its factorization.

64658845942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87303.

The product of its digits is 66355200, while the sum is 61.

The spelling of 64658845942 in words is "sixty-four billion, six hundred fifty-eight million, eight hundred forty-five thousand, nine hundred forty-two".