249356047113 has 24 divisors (see below), whose sum is σ = 363771837000. Its totient is φ = 164582440704.

The previous prime is 249356047097. The next prime is 249356047123. The reversal of 249356047113 is 311740653942.

249356047113 is a `hidden beast` number, since 2 + 4 + 9 + 3 + 560 + 4 + 71 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 151704797049 + 97651250064 = 389493^2 + 312492^2 .

It is not a de Polignac number, because 249356047113 - 2⁴ = 249356047097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249356047123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153213 + ... + 1352261.

It is an arithmetic number, because the mean of its divisors is an integer number (15157159875).

Almost surely, 2^249356047113 is an apocalyptic number.

It is an amenable number.

249356047113 is a deficient number, since it is larger than the sum of its proper divisors (114415789887).

249356047113 is a wasteful number, since it uses less digits than its factorization.

249356047113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200441 (or 200438 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 249356047113 in words is "two hundred forty-nine billion, three hundred fifty-six million, forty-seven thousand, one hundred thirteen".