249168793 has 16 divisors (see below), whose sum is σ = 272957440. Its totient is φ = 226573200.

The previous prime is 249168791. The next prime is 249168797. The reversal of 249168793 is 397861942.

249168793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 249168793 - 2¹ = 249168791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249168791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73138 + ... + 76468.

It is an arithmetic number, because the mean of its divisors is an integer number (17059840).

Almost surely, 2^249168793 is an apocalyptic number.

It is an amenable number.

249168793 is a deficient number, since it is larger than the sum of its proper divisors (23788647).

249168793 is a wasteful number, since it uses less digits than its factorization.

249168793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508.

The product of its digits is 653184, while the sum is 49.

The square root of 249168793 is about 15785.0813428376. The cubic root of 249168793 is about 629.2615796191.

The spelling of 249168793 in words is "two hundred forty-nine million, one hundred sixty-eight thousand, seven hundred ninety-three".