21192893573476 has 9 divisors (see below), whose sum is σ = 37087579866099. Its totient is φ = 10596442183164.

The previous prime is 21192893573461. The next prime is 21192893573491. The reversal of 21192893573476 is 67437539829112.

The square root of 21192893573476 is 4603574.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (21192893573461) and next prime (21192893573491).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8056255 + ... + 10358041.

Almost surely, 2^{21192893573476} is an apocalyptic number.

21192893573476 is the 4603574-th square number.

It is an amenable number.

21192893573476 is a deficient number, since it is larger than the sum of its proper divisors (15894686292623).

21192893573476 is an frugal number, since it uses more digits than its factorization.

21192893573476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603578 (or 2301789 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 67.

The spelling of 21192893573476 in words is "twenty-one trillion, one hundred ninety-two billion, eight hundred ninety-three million, five hundred seventy-three thousand, four hundred seventy-six".