673653355356 has 24 divisors (see below), whose sum is σ = 1572097006480. Its totient is φ = 224516950272.

The previous prime is 673653355339. The next prime is 673653355381. The reversal of 673653355356 is 653553356376.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 673653355296 and 673653355305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188811 + ... + 4346658.

Almost surely, 2^673653355356 is an apocalyptic number.

It is an amenable number.

673653355356 is an abundant number, since it is smaller than the sum of its proper divisors (898443651124).

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

673653355356 is a wasteful number, since it uses less digits than its factorization.

673653355356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542053 (or 8542051 counting only the distinct ones).

The product of its digits is 76545000, while the sum is 57.

The spelling of 673653355356 in words is "six hundred seventy-three billion, six hundred fifty-three million, three hundred fifty-five thousand, three hundred fifty-six".