2172654715 has 16 divisors (see below), whose sum is σ = 3250517760. Its totient is φ = 1354381920.

The previous prime is 2172654707. The next prime is 2172654749. The reversal of 2172654715 is 5174562712.

It is not a de Polignac number, because 2172654715 - 2³ = 2172654707 is a prime.

It is a super-2 number, since 2×2172654715² = 9440857021223462450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821245 + ... + 2822014.

It is an arithmetic number, because the mean of its divisors is an integer number (203157360).

Almost surely, 2^2172654715 is an apocalyptic number.

2172654715 is a deficient number, since it is larger than the sum of its proper divisors (1077863045).

2172654715 is a wasteful number, since it uses less digits than its factorization.

2172654715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643282.

The product of its digits is 117600, while the sum is 40.

The square root of 2172654715 is about 46611.7443891558. The cubic root of 2172654715 is about 1295.1803220324.

The spelling of 2172654715 in words is "two billion, one hundred seventy-two million, six hundred fifty-four thousand, seven hundred fifteen".