2857315729913 has 8 divisors (see below), whose sum is σ = 2876662269000. Its totient is φ = 2837971456768.

The previous prime is 2857315729823. The next prime is 2857315729969. The reversal of 2857315729913 is 3199275137582.

It can be written as a sum of positive squares in 4 ways, for example, as 318019300624 + 2539296429289 = 563932^2 + 1593517^2 .

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 2857315729913 - 2²⁸ = 2857047294457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2857315729973) 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, 2003345 + ... + 3118977.

It is an arithmetic number, because the mean of its divisors is an integer number (359582783625).

Almost surely, 2^{2857315729913} is an apocalyptic number.

It is an amenable number.

2857315729913 is a deficient number, since it is larger than the sum of its proper divisors (19346539087).

2857315729913 is a wasteful number, since it uses less digits than its factorization.

2857315729913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132971.

The product of its digits is 28576800, while the sum is 62.

The spelling of 2857315729913 in words is "two trillion, eight hundred fifty-seven billion, three hundred fifteen million, seven hundred twenty-nine thousand, nine hundred thirteen".