612722350928 has 20 divisors (see below), whose sum is σ = 1207270735680. Its totient is φ = 301168612704.

The previous prime is 612722350921. The next prime is 612722350949. The reversal of 612722350928 is 829053227216.

It is a super-2 number, since 2×612722350928² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612722350921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324534200 + ... + 324536087.

It is an arithmetic number, because the mean of its divisors is an integer number (60363536784).

Almost surely, 2^612722350928 is an apocalyptic number.

It is an amenable number.

612722350928 is a deficient number, since it is larger than the sum of its proper divisors (594548384752).

612722350928 is a wasteful number, since it uses less digits than its factorization.

612722350928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649070354 (or 649070348 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 612722350928 in words is "six hundred twelve billion, seven hundred twenty-two million, three hundred fifty thousand, nine hundred twenty-eight".