612229000679 has 4 divisors (see below), whose sum is σ = 633340345560. Its totient is φ = 591117655800.

The previous prime is 612229000667. The next prime is 612229000681. The reversal of 612229000679 is 976000922216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612229000679 - 2⁸ = 612229000423 is a prime.

It is a super-2 number, since 2×612229000679² (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 (612229000619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555672397 + ... + 10555672454.

It is an arithmetic number, because the mean of its divisors is an integer number (158335086390).

Almost surely, 2^612229000679 is an apocalyptic number.

612229000679 is a deficient number, since it is larger than the sum of its proper divisors (21111344881).

612229000679 is a wasteful number, since it uses less digits than its factorization.

612229000679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111344880.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 612229000679 in words is "six hundred twelve billion, two hundred twenty-nine million, six hundred seventy-nine", and thus it is an aban number.