249434739113 has 32 divisors (see below), whose sum is σ = 288284645376. Its totient is φ = 211407026688.

The previous prime is 249434739107. The next prime is 249434739133. The reversal of 249434739113 is 311937434942.

It is a cyclic number.

It is not a de Polignac number, because 249434739113 - 2⁸ = 249434738857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249434739133) 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 31 ways as a sum of consecutive naturals, for example, 246233195 + ... + 246234207.

It is an arithmetic number, because the mean of its divisors is an integer number (9008895168).

Almost surely, 2^249434739113 is an apocalyptic number.

It is an amenable number.

249434739113 is a deficient number, since it is larger than the sum of its proper divisors (38849906263).

249434739113 is a wasteful number, since it uses less digits than its factorization.

249434739113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its digits is 1959552, while the sum is 50.

The spelling of 249434739113 in words is "two hundred forty-nine billion, four hundred thirty-four million, seven hundred thirty-nine thousand, one hundred thirteen".