2631898773845 has 16 divisors (see below), whose sum is σ = 3445436934720. Its totient is φ = 1914084768000.

The previous prime is 2631898773839. The next prime is 2631898773859. The reversal of 2631898773845 is 5483778981362.

It is a de Polignac number, because none of the positive numbers 2^k-2631898773845 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5153270 + ... + 5640920.

It is an arithmetic number, because the mean of its divisors is an integer number (215339808420).

Almost surely, 2^{2631898773845} is an apocalyptic number.

It is an amenable number.

2631898773845 is a deficient number, since it is larger than the sum of its proper divisors (813538160875).

2631898773845 is a wasteful number, since it uses less digits than its factorization.

2631898773845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585796.

The product of its digits is 487710720, while the sum is 71.

The spelling of 2631898773845 in words is "two trillion, six hundred thirty-one billion, eight hundred ninety-eight million, seven hundred seventy-three thousand, eight hundred forty-five".