2153174775 has 24 divisors (see below), whose sum is σ = 3599925840. Its totient is φ = 1135453440.

The previous prime is 2153174747. The next prime is 2153174789. The reversal of 2153174775 is 5774713512.

It is not a de Polignac number, because 2153174775 - 2⁸ = 2153174519 is a prime.

It is a super-2 number, since 2×2153174775² = 9272323223392601250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 154612 + ... + 167961.

It is an arithmetic number, because the mean of its divisors is an integer number (149996910).

Almost surely, 2^2153174775 is an apocalyptic number.

2153174775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2153174775 is a deficient number, since it is larger than the sum of its proper divisors (1446751065).

2153174775 is a wasteful number, since it uses less digits than its factorization.

2153174775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322675 (or 322670 counting only the distinct ones).

The product of its digits is 205800, while the sum is 42.

The square root of 2153174775 is about 46402.3143280591. The cubic root of 2153174775 is about 1291.2978495151.

The spelling of 2153174775 in words is "two billion, one hundred fifty-three million, one hundred seventy-four thousand, seven hundred seventy-five".