2113249057 has 8 divisors (see below), whose sum is σ = 2124041472. Its totient is φ = 2102479200.

The previous prime is 2113249051. The next prime is 2113249067. The reversal of 2113249057 is 7509423112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113249057 - 2³ = 2113249049 is a prime.

It is a super-2 number, since 2×2113249057² = 8931643153822778498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113249051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201108 + ... + 211354.

It is an arithmetic number, because the mean of its divisors is an integer number (265505184).

Almost surely, 2^2113249057 is an apocalyptic number.

It is an amenable number.

2113249057 is a deficient number, since it is larger than the sum of its proper divisors (10792415).

2113249057 is a wasteful number, since it uses less digits than its factorization.

2113249057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2113249057 is about 45970.0887208193. The cubic root of 2113249057 is about 1283.2666110173.

The spelling of 2113249057 in words is "two billion, one hundred thirteen million, two hundred forty-nine thousand, fifty-seven".