2564495954 has 16 divisors (see below), whose sum is σ = 3860913600. Its totient is φ = 1277534544.

The previous prime is 2564495893. The next prime is 2564495959. The reversal of 2564495954 is 4595944652.

It is a junction number, because it is equal to n+sod(n) for n = 2564495896 and 2564495905.

It is not an unprimeable number, because it can be changed into a prime (2564495959) 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, 687707 + ... + 691425.

It is an arithmetic number, because the mean of its divisors is an integer number (241307100).

Almost surely, 2^2564495954 is an apocalyptic number.

2564495954 is a deficient number, since it is larger than the sum of its proper divisors (1296417646).

2564495954 is a wasteful number, since it uses less digits than its factorization.

2564495954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897.

The product of its digits is 7776000, while the sum is 53.

The square root of 2564495954 is about 50640.8526192046. The cubic root of 2564495954 is about 1368.7811195249.

The spelling of 2564495954 in words is "two billion, five hundred sixty-four million, four hundred ninety-five thousand, nine hundred fifty-four".