612575177373 has 6 divisors (see below), whose sum is σ = 884830811774. Its totient is φ = 408383451576.

The previous prime is 612575177323. The next prime is 612575177387. The reversal of 612575177373 is 373771575216.

612575177373 is a `hidden beast` number, since 6 + 1 + 2 + 57 + 517 + 7 + 3 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 587218755204 + 25356422169 = 766302^2 + 159237^2 .

It is not a de Polignac number, because 612575177373 - 2²⁰ = 612574128797 is a prime.

It is a super-2 number, since 2×612575177373² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612575177323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34031954290 + ... + 34031954307.

Almost surely, 2^612575177373 is an apocalyptic number.

It is an amenable number.

612575177373 is a deficient number, since it is larger than the sum of its proper divisors (272255634401).

612575177373 is a wasteful number, since it uses less digits than its factorization.

612575177373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68063908603 (or 68063908600 counting only the distinct ones).

The product of its digits is 6482700, while the sum is 54.

The spelling of 612575177373 in words is "six hundred twelve billion, five hundred seventy-five million, one hundred seventy-seven thousand, three hundred seventy-three".