2563253793 has 6 divisors (see below), whose sum is σ = 3702477714. Its totient is φ = 1708835856.

The previous prime is 2563253789. The next prime is 2563253821. The reversal of 2563253793 is 3973523652.

2563253793 is a `hidden beast` number, since 2 + 5 + 632 + 5 + 3 + 7 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2558639889 + 4613904 = 50583^2 + 2148^2 .

It is not a de Polignac number, because 2563253793 - 2² = 2563253789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2563253713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142402980 + ... + 142402997.

It is an arithmetic number, because the mean of its divisors is an integer number (617079619).

Almost surely, 2^2563253793 is an apocalyptic number.

It is an amenable number.

2563253793 is a deficient number, since it is larger than the sum of its proper divisors (1139223921).

2563253793 is a wasteful number, since it uses less digits than its factorization.

2563253793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284805983 (or 284805980 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 45.

The square root of 2563253793 is about 50628.5867173872. The cubic root of 2563253793 is about 1368.5600856916.

The spelling of 2563253793 in words is "two billion, five hundred sixty-three million, two hundred fifty-three thousand, seven hundred ninety-three".