2673573921 has 12 divisors (see below), whose sum is σ = 3862280448. Its totient is φ = 1782174264.

The previous prime is 2673573907. The next prime is 2673573937. The reversal of 2673573921 is 1293753762.

2673573921 is a `hidden beast` number, since 2 + 6 + 73 + 573 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 2673573921 - 2⁶ = 2673573857 is a prime.

It is a super-2 number, since 2×2673573921² = 14295995022102628482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2673573421) 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, 127636 + ... + 147098.

It is an arithmetic number, because the mean of its divisors is an integer number (321856704).

Almost surely, 2^2673573921 is an apocalyptic number.

It is an amenable number.

2673573921 is a deficient number, since it is larger than the sum of its proper divisors (1188706527).

2673573921 is a wasteful number, since it uses less digits than its factorization.

2673573921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34732 (or 34729 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 2673573921 is about 51706.6138999645. The cubic root of 2673573921 is about 1387.9188220912.

The spelling of 2673573921 in words is "two billion, six hundred seventy-three million, five hundred seventy-three thousand, nine hundred twenty-one".