673038149681 has 24 divisors (see below), whose sum is σ = 746842348224. Its totient is φ = 605256945920.

The previous prime is 673038149599. The next prime is 673038149683. The reversal of 673038149681 is 186941830376.

It is not a de Polignac number, because 673038149681 - 2³⁸ = 398160242737 is a prime.

It is a super-2 number, since 2×673038149681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673038149683) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6201026 + ... + 6308628.

It is an arithmetic number, because the mean of its divisors is an integer number (31118431176).

Almost surely, 2^673038149681 is an apocalyptic number.

It is an amenable number.

673038149681 is a deficient number, since it is larger than the sum of its proper divisors (73804198543).

673038149681 is a wasteful number, since it uses less digits than its factorization.

673038149681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108601 (or 108584 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 673038149681 in words is "six hundred seventy-three billion, thirty-eight million, one hundred forty-nine thousand, six hundred eighty-one".