612929714661 has 16 divisors (see below), whose sum is σ = 990593478720. Its totient is φ = 371472554160.

The previous prime is 612929714659. The next prime is 612929714707. The reversal of 612929714661 is 166417929216.

612929714661 is a `hidden beast` number, since 6 + 1 + 2 + 92 + 97 + 1 + 466 + 1 = 666.

It is not a de Polignac number, because 612929714661 - 2¹ = 612929714659 is a prime.

It is a super-2 number, since 2×612929714661² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 612929714598 and 612929714607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612929713661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031867910 + ... + 1031868503.

It is an arithmetic number, because the mean of its divisors is an integer number (61912092420).

Almost surely, 2^612929714661 is an apocalyptic number.

It is an amenable number.

612929714661 is a deficient number, since it is larger than the sum of its proper divisors (377663764059).

612929714661 is a wasteful number, since it uses less digits than its factorization.

612929714661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063736433 (or 2063736427 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 612929714661 in words is "six hundred twelve billion, nine hundred twenty-nine million, seven hundred fourteen thousand, six hundred sixty-one".