2813938490895 has 256 divisors, whose sum is σ = 5527446220800. Its totient is φ = 1195448647680.

The previous prime is 2813938490821. The next prime is 2813938490921. The reversal of 2813938490895 is 5980948393182.

It is not a de Polignac number, because 2813938490895 - 2⁹ = 2813938490383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1884753769 + ... + 1884755261.

It is an arithmetic number, because the mean of its divisors is an integer number (21591586800).

Almost surely, 2^{2813938490895} is an apocalyptic number.

2813938490895 is a deficient number, since it is larger than the sum of its proper divisors (2713507729905).

2813938490895 is a wasteful number, since it uses less digits than its factorization.

2813938490895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 134369280, while the sum is 69.

The spelling of 2813938490895 in words is "two trillion, eight hundred thirteen billion, nine hundred thirty-eight million, four hundred ninety thousand, eight hundred ninety-five".