674910492663 has 16 divisors (see below), whose sum is σ = 1033355779200. Its totient is φ = 387508416480.

The previous prime is 674910492643. The next prime is 674910492671. The reversal of 674910492663 is 366294019476.

It is a happy number.

It is not a de Polignac number, because 674910492663 - 2²⁰ = 674909444087 is a prime.

It is a super-2 number, since 2×674910492663² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674910492643) 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, 538205508 + ... + 538206761.

It is an arithmetic number, because the mean of its divisors is an integer number (64584736200).

Almost surely, 2^674910492663 is an apocalyptic number.

674910492663 is a deficient number, since it is larger than the sum of its proper divisors (358445286537).

674910492663 is a wasteful number, since it uses less digits than its factorization.

674910492663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076412302.

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 674910492663 in words is "six hundred seventy-four billion, nine hundred ten million, four hundred ninety-two thousand, six hundred sixty-three".