2662372921 has 16 divisors (see below), whose sum is σ = 2883850704. Its totient is φ = 2443325184.

The previous prime is 2662372919. The next prime is 2662372939. The reversal of 2662372921 is 1292732662.

2662372921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 177848896 + 2484524025 = 13336^2 + 49845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662372921 - 2¹ = 2662372919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662372901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035335 + ... + 3036211.

It is an arithmetic number, because the mean of its divisors is an integer number (180240669).

Almost surely, 2^2662372921 is an apocalyptic number.

It is an amenable number.

2662372921 is a deficient number, since it is larger than the sum of its proper divisors (221477783).

2662372921 is a wasteful number, since it uses less digits than its factorization.

2662372921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its digits is 108864, while the sum is 40.

The square root of 2662372921 is about 51598.1871871483. The cubic root of 2662372921 is about 1385.9778696335.

The spelling of 2662372921 in words is "two billion, six hundred sixty-two million, three hundred seventy-two thousand, nine hundred twenty-one".