674663894037 has 20 divisors (see below), whose sum is σ = 1151807142816. Its totient is φ = 385522224840.

The previous prime is 674663893997. The next prime is 674663894059. The reversal of 674663894037 is 730498366476.

674663894037 is a `hidden beast` number, since 67 + 466 + 3 + 89 + 4 + 0 + 37 = 666.

It is not a de Polignac number, because 674663894037 - 2⁶ = 674663893973 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674663814037) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 594941139 + ... + 594942272.

Almost surely, 2^674663894037 is an apocalyptic number.

It is an amenable number.

674663894037 is a deficient number, since it is larger than the sum of its proper divisors (477143248779).

674663894037 is a wasteful number, since it uses less digits than its factorization.

674663894037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189883430 (or 1189883421 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 674663894037 in words is "six hundred seventy-four billion, six hundred sixty-three million, eight hundred ninety-four thousand, thirty-seven".