113613679249 has 4 divisors (see below), whose sum is σ = 129844204864. Its totient is φ = 97383153636.

The previous prime is 113613679219. The next prime is 113613679259. The reversal of 113613679249 is 942976316311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942976316311 = 59 ⋅15982649429.

It is a cyclic number.

It is not a de Polignac number, because 113613679249 - 2¹¹ = 113613677201 is a prime.

It is a super-2 number, since 2×113613679249² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113613679196 and 113613679205.

It is not an unprimeable number, because it can be changed into a prime (113613679219) 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, 8115262797 + ... + 8115262810.

It is an arithmetic number, because the mean of its divisors is an integer number (32461051216).

Almost surely, 2^113613679249 is an apocalyptic number.

It is an amenable number.

113613679249 is a deficient number, since it is larger than the sum of its proper divisors (16230525615).

113613679249 is an equidigital number, since it uses as much as digits as its factorization.

113613679249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230525614.

The product of its digits is 1469664, while the sum is 52.

The spelling of 113613679249 in words is "one hundred thirteen billion, six hundred thirteen million, six hundred seventy-nine thousand, two hundred forty-nine".