275164639 has 4 divisors (see below), whose sum is σ = 275199480. Its totient is φ = 275129800.

The previous prime is 275164609. The next prime is 275164651. The reversal of 275164639 is 936461572.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 275164639 - 2⁵ = 275164607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275164595 and 275164604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275164609) 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 3 ways as a sum of consecutive naturals, for example, 732 + ... + 23470.

It is an arithmetic number, because the mean of its divisors is an integer number (68799870).

Almost surely, 2^275164639 is an apocalyptic number.

275164639 is a deficient number, since it is larger than the sum of its proper divisors (34841).

275164639 is a wasteful number, since it uses less digits than its factorization.

275164639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34840.

The product of its digits is 272160, while the sum is 43.

The square root of 275164639 is about 16588.0872616465. The cubic root of 275164639 is about 650.4254721272.

The spelling of 275164639 in words is "two hundred seventy-five million, one hundred sixty-four thousand, six hundred thirty-nine".