617673396313739 has 16 divisors (see below), whose sum is σ = 636781189464576. Its totient is φ = 598696724304000.

The previous prime is 617673396313697. The next prime is 617673396313769. The reversal of 617673396313739 is 937313693376716.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-617673396313739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617673396313769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17363627 + ... + 39202580.

It is an arithmetic number, because the mean of its divisors is an integer number (39798824341536).

Almost surely, 2^{617673396313739} is an apocalyptic number.

617673396313739 is a deficient number, since it is larger than the sum of its proper divisors (19107793150837).

617673396313739 is a wasteful number, since it uses less digits than its factorization.

617673396313739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56567366.

The product of its digits is 1458274104, while the sum is 74.

The spelling of 617673396313739 in words is "six hundred seventeen trillion, six hundred seventy-three billion, three hundred ninety-six million, three hundred thirteen thousand, seven hundred thirty-nine".