60644288313 has 18 divisors (see below), whose sum is σ = 101898906954. Its totient is φ = 34653878784.

The previous prime is 60644288297. The next prime is 60644288323. The reversal of 60644288313 is 31388244606.

60644288313 is a `hidden beast` number, since 606 + 4 + 4 + 2 + 8 + 8 + 31 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54649347984 + 5994940329 = 233772^2 + 77427^2 .

It is not a de Polignac number, because 60644288313 - 2⁴ = 60644288297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60644288323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68757256 + ... + 68758137.

Almost surely, 2^60644288313 is an apocalyptic number.

60644288313 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

60644288313 is a deficient number, since it is larger than the sum of its proper divisors (41254618641).

60644288313 is a wasteful number, since it uses less digits than its factorization.

60644288313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137515413 (or 137515403 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 60644288313 in words is "sixty billion, six hundred forty-four million, two hundred eighty-eight thousand, three hundred thirteen".