634092853 has 4 divisors (see below), whose sum is σ = 635462848. Its totient is φ = 632722860.

The previous prime is 634092829. The next prime is 634092869. The reversal of 634092853 is 358290436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634092853 - 2²¹ = 631995701 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 (634092253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684303 + ... + 685228.

It is an arithmetic number, because the mean of its divisors is an integer number (158865712).

Almost surely, 2^634092853 is an apocalyptic number.

It is an amenable number.

634092853 is a deficient number, since it is larger than the sum of its proper divisors (1369995).

634092853 is a wasteful number, since it uses less digits than its factorization.

634092853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369994.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 634092853 is about 25181.2003883850. The cubic root of 634092853 is about 859.1143094554.

The spelling of 634092853 in words is "six hundred thirty-four million, ninety-two thousand, eight hundred fifty-three".