64617143231034 has 24 divisors (see below), whose sum is σ = 140729218685172. Its totient is φ = 21427446458880.

The previous prime is 64617143231021. The next prime is 64617143231071. The reversal of 64617143231034 is 43013234171646.

It is a happy number.

64617143231034 is a `hidden beast` number, since 6 + 4 + 6 + 171 + 432 + 3 + 10 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63644542929009 + 972600302025 = 7977753^2 + 986205^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9300103497 + ... + 9300110444.

Almost surely, 2^{64617143231034} is an apocalyptic number.

64617143231034 is an abundant number, since it is smaller than the sum of its proper divisors (76112075454138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64617143231034 is a wasteful number, since it uses less digits than its factorization.

64617143231034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18600214142 (or 18600214139 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 64617143231034 in words is "sixty-four trillion, six hundred seventeen billion, one hundred forty-three million, two hundred thirty-one thousand, thirty-four".