2815309713 has 8 divisors (see below), whose sum is σ = 3777656128. Its totient is φ = 1864918224.

The previous prime is 2815309709. The next prime is 2815309723. The reversal of 2815309713 is 3179035182.

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

It is not a de Polignac number, because 2815309713 - 2² = 2815309709 is a prime.

It is a super-2 number, since 2×2815309713² = 15851937560224284738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2815309723) 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, 2988181 + ... + 2989122.

It is an arithmetic number, because the mean of its divisors is an integer number (472207016).

Almost surely, 2^2815309713 is an apocalyptic number.

It is an amenable number.

2815309713 is a deficient number, since it is larger than the sum of its proper divisors (962346415).

2815309713 is a wasteful number, since it uses less digits than its factorization.

2815309713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977463.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2815309713 is about 53059.4922045057. The cubic root of 2815309713 is about 1412.0239386422.

The spelling of 2815309713 in words is "two billion, eight hundred fifteen million, three hundred nine thousand, seven hundred thirteen".