2648286563931 has 24 divisors (see below), whose sum is σ = 3968511521520. Its totient is φ = 1764843075072.

The previous prime is 2648286563903. The next prime is 2648286563969. The reversal of 2648286563931 is 1393656828462.

2648286563931 is a `hidden beast` number, since 2 + 6 + 48 + 28 + 6 + 563 + 9 + 3 + 1 = 666.

It is not a de Polignac number, because 2648286563931 - 2⁵ = 2648286563899 is a prime.

It is a super-2 number, since 2×2648286563931² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2648286562931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1471386 + ... + 2731583.

It is an arithmetic number, because the mean of its divisors is an integer number (165354646730).

Almost surely, 2^{2648286563931} is an apocalyptic number.

2648286563931 is a deficient number, since it is larger than the sum of its proper divisors (1320224957589).

2648286563931 is an equidigital number, since it uses as much as digits as its factorization.

2648286563931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205577 (or 4205565 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 63.

The spelling of 2648286563931 in words is "two trillion, six hundred forty-eight billion, two hundred eighty-six million, five hundred sixty-three thousand, nine hundred thirty-one".