2170492623 has 48 divisors (see below), whose sum is σ = 3451672224. Its totient is φ = 1306056960.

The previous prime is 2170492609. The next prime is 2170492633. The reversal of 2170492623 is 3262940712.

2170492623 is a `hidden beast` number, since 21 + 7 + 0 + 4 + 9 + 2 + 623 = 666.

It is not a de Polignac number, because 2170492623 - 2⁵ = 2170492591 is a prime.

It is a super-2 number, since 2×2170492623² = 9422076452994840258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170492633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3540465 + ... + 3541077.

It is an arithmetic number, because the mean of its divisors is an integer number (71909838).

Almost surely, 2^2170492623 is an apocalyptic number.

2170492623 is a deficient number, since it is larger than the sum of its proper divisors (1281179601).

2170492623 is a wasteful number, since it uses less digits than its factorization.

2170492623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2170492623 is about 46588.5460494315. The cubic root of 2170492623 is about 1294.7505515766.

The spelling of 2170492623 in words is "two billion, one hundred seventy million, four hundred ninety-two thousand, six hundred twenty-three".