612734559399 has 6 divisors (see below), whose sum is σ = 885061030256. Its totient is φ = 408489706260.

The previous prime is 612734559397. The next prime is 612734559421. The reversal of 612734559399 is 993955437216.

612734559399 is a `hidden beast` number, since 6 + 1 + 2 + 7 + 3 + 455 + 93 + 99 = 666.

It is not a de Polignac number, because 612734559399 - 2¹ = 612734559397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612734559397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34040808847 + ... + 34040808864.

Almost surely, 2^612734559399 is an apocalyptic number.

612734559399 is a deficient number, since it is larger than the sum of its proper divisors (272326470857).

612734559399 is a wasteful number, since it uses less digits than its factorization.

612734559399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68081617717 (or 68081617714 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 63.

The spelling of 612734559399 in words is "six hundred twelve billion, seven hundred thirty-four million, five hundred fifty-nine thousand, three hundred ninety-nine".