2162472399 has 12 divisors (see below), whose sum is σ = 3124126096. Its totient is φ = 1441392192.

The previous prime is 2162472353. The next prime is 2162472407. The reversal of 2162472399 is 9932742612.

2162472399 is a `hidden beast` number, since 2 + 16 + 247 + 2 + 399 = 666.

2162472399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2162472399 - 2⁷ = 2162472271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162479399) 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, 42054 + ... + 78060.

Almost surely, 2^2162472399 is an apocalyptic number.

2162472399 is a deficient number, since it is larger than the sum of its proper divisors (961653697).

2162472399 is a wasteful number, since it uses less digits than its factorization.

2162472399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42686 (or 42683 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 2162472399 is about 46502.3913256082. The cubic root of 2162472399 is about 1293.1538317162.

The spelling of 2162472399 in words is "two billion, one hundred sixty-two million, four hundred seventy-two thousand, three hundred ninety-nine".