2239147913 has 8 divisors (see below), whose sum is σ = 2320132680. Its totient is φ = 2158414720.

The previous prime is 2239147909. The next prime is 2239147921. The reversal of 2239147913 is 3197419322.

It can be written as a sum of positive squares in 4 ways, for example, as 29019769 + 2210128144 = 5387^2 + 47012^2 .

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 2239147913 - 2² = 2239147909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2239147993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44678 + ... + 80463.

It is an arithmetic number, because the mean of its divisors is an integer number (290016585).

Almost surely, 2^2239147913 is an apocalyptic number.

It is an amenable number.

2239147913 is a deficient number, since it is larger than the sum of its proper divisors (80984767).

2239147913 is a wasteful number, since it uses less digits than its factorization.

2239147913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125787.

The product of its digits is 81648, while the sum is 41.

The square root of 2239147913 is about 47319.6355966527. The cubic root of 2239147913 is about 1308.2605963033.

The spelling of 2239147913 in words is "two billion, two hundred thirty-nine million, one hundred forty-seven thousand, nine hundred thirteen".