2813195256279 has 32 divisors (see below), whose sum is σ = 3796106523648. Its totient is φ = 1852956000000.

The previous prime is 2813195256259. The next prime is 2813195256301. The reversal of 2813195256279 is 9726525913182.

It is a de Polignac number, because none of the positive numbers 2^k-2813195256279 is a prime.

It is a super-3 number, since 3×2813195256279³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813195256259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573767742 + ... + 573772644.

It is an arithmetic number, because the mean of its divisors is an integer number (118628328864).

Almost surely, 2^{2813195256279} is an apocalyptic number.

2813195256279 is a deficient number, since it is larger than the sum of its proper divisors (982911267369).

2813195256279 is a wasteful number, since it uses less digits than its factorization.

2813195256279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639.

The product of its digits is 16329600, while the sum is 60.

The spelling of 2813195256279 in words is "two trillion, eight hundred thirteen billion, one hundred ninety-five million, two hundred fifty-six thousand, two hundred seventy-nine".