2182575816421 has 32 divisors (see below), whose sum is σ = 3031501536000. Its totient is φ = 1515750727680.

The previous prime is 2182575816413. The next prime is 2182575816439. The reversal of 2182575816421 is 1246185752812.

It is not a de Polignac number, because 2182575816421 - 2³ = 2182575816413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182575816401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37563996 + ... + 37622053.

It is an arithmetic number, because the mean of its divisors is an integer number (94734423000).

Almost surely, 2^{2182575816421} is an apocalyptic number.

It is an amenable number.

2182575816421 is a deficient number, since it is larger than the sum of its proper divisors (848925719579).

2182575816421 is a wasteful number, since it uses less digits than its factorization.

2182575816421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75186109.

The product of its digits is 2150400, while the sum is 52.

The spelling of 2182575816421 in words is "two trillion, one hundred eighty-two billion, five hundred seventy-five million, eight hundred sixteen thousand, four hundred twenty-one".