64970232154 has 8 divisors (see below), whose sum is σ = 103188015828. Its totient is φ = 30574226880.

The previous prime is 64970232139. The next prime is 64970232181. The reversal of 64970232154 is 45123207946.

It can be written as a sum of positive squares in 2 ways, for example, as 64594764025 + 375468129 = 254155^2 + 19377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64970232154² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64970232154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955444557 + ... + 955444624.

Almost surely, 2^64970232154 is an apocalyptic number.

64970232154 is a deficient number, since it is larger than the sum of its proper divisors (38217783674).

64970232154 is a wasteful number, since it uses less digits than its factorization.

64970232154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910889200.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 64970232154 in words is "sixty-four billion, nine hundred seventy million, two hundred thirty-two thousand, one hundred fifty-four".