64591142418814 has 16 divisors (see below), whose sum is σ = 106664271888240. Its totient is φ = 29090255967360.

The previous prime is 64591142418779. The next prime is 64591142418863. The reversal of 64591142418814 is 41881424119546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13467708699 + ... + 13467713494.

It is an arithmetic number, because the mean of its divisors is an integer number (6666516993015).

Almost surely, 2^{64591142418814} is an apocalyptic number.

64591142418814 is a deficient number, since it is larger than the sum of its proper divisors (42073129469426).

64591142418814 is a wasteful number, since it uses less digits than its factorization.

64591142418814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26935422315.

The product of its digits is 8847360, while the sum is 58.

The spelling of 64591142418814 in words is "sixty-four trillion, five hundred ninety-one billion, one hundred forty-two million, four hundred eighteen thousand, eight hundred fourteen".