113647244709 has 4 divisors (see below), whose sum is σ = 151529659616. Its totient is φ = 75764829804.

The previous prime is 113647244671. The next prime is 113647244717. The reversal of 113647244709 is 907442746311.

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: 907442746311 = 3 ⋅302480915437.

It is not a de Polignac number, because 113647244709 - 2¹¹ = 113647242661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113647244759) 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, 18941207449 + ... + 18941207454.

It is an arithmetic number, because the mean of its divisors is an integer number (37882414904).

Almost surely, 2^113647244709 is an apocalyptic number.

It is an amenable number.

113647244709 is a deficient number, since it is larger than the sum of its proper divisors (37882414907).

113647244709 is an equidigital number, since it uses as much as digits as its factorization.

113647244709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37882414906.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 113647244709 in words is "one hundred thirteen billion, six hundred forty-seven million, two hundred forty-four thousand, seven hundred nine".