2673409456321 has 12 divisors (see below), whose sum is σ = 2832249100032. Its totient is φ = 2523073553784.

The previous prime is 2673409456301. The next prime is 2673409456337. The reversal of 2673409456321 is 1236549043762.

It is not a de Polignac number, because 2673409456321 - 2³⁹ = 2123653642433 is a prime.

It is a super-2 number, since 2×2673409456321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2673409456301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13984081 + ... + 14173966.

It is an arithmetic number, because the mean of its divisors is an integer number (236020758336).

Almost surely, 2^{2673409456321} is an apocalyptic number.

It is an amenable number.

2673409456321 is a deficient number, since it is larger than the sum of its proper divisors (158839643711).

2673409456321 is a wasteful number, since it uses less digits than its factorization.

2673409456321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28158348 (or 28158329 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 2673409456321 in words is "two trillion, six hundred seventy-three billion, four hundred nine million, four hundred fifty-six thousand, three hundred twenty-one".