113743649 has 4 divisors (see below), whose sum is σ = 113795220. Its totient is φ = 113692080.

The previous prime is 113743639. The next prime is 113743673. The reversal of 113743649 is 946347311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65691025 + 48052624 = 8105^2 + 6932^2 .

It is a cyclic number.

It is not a de Polignac number, because 113743649 - 2¹² = 113739553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113743639) 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, 22322 + ... + 26939.

It is an arithmetic number, because the mean of its divisors is an integer number (28448805).

Almost surely, 2^113743649 is an apocalyptic number.

It is an amenable number.

113743649 is a deficient number, since it is larger than the sum of its proper divisors (51571).

113743649 is an equidigital number, since it uses as much as digits as its factorization.

113743649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51570.

The product of its digits is 54432, while the sum is 38.

The square root of 113743649 is about 10665.0667602224. The cubic root of 113743649 is about 484.5170364948.

The spelling of 113743649 in words is "one hundred thirteen million, seven hundred forty-three thousand, six hundred forty-nine".