673149174408 has 64 divisors (see below), whose sum is σ = 1870298980800. Its totient is φ = 224330238720.

The previous prime is 673149174371. The next prime is 673149174433. The reversal of 673149174408 is 804471941376.

It is a happy number.

673149174408 is a `hidden beast` number, since 6 + 73 + 14 + 91 + 74 + 408 = 666.

It is a super-2 number, since 2×673149174408² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 558303 + ... + 1287633.

It is an arithmetic number, because the mean of its divisors is an integer number (29223421575).

Almost surely, 2^673149174408 is an apocalyptic number.

It is an amenable number.

673149174408 is an abundant number, since it is smaller than the sum of its proper divisors (1197149806392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673149174408 is a wasteful number, since it uses less digits than its factorization.

673149174408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733619 (or 733609 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 673149174408 in words is "six hundred seventy-three billion, one hundred forty-nine million, one hundred seventy-four thousand, four hundred eight".