2560376563 has 24 divisors (see below), whose sum is σ = 2744151696. Its totient is φ = 2387280000.

The previous prime is 2560376557. The next prime is 2560376603. The reversal of 2560376563 is 3656730652.

It is not a de Polignac number, because 2560376563 - 2⁹ = 2560376051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560376503) 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, 3652113 + ... + 3652813.

It is an arithmetic number, because the mean of its divisors is an integer number (114339654).

Almost surely, 2^2560376563 is an apocalyptic number.

2560376563 is a deficient number, since it is larger than the sum of its proper divisors (183775133).

2560376563 is a wasteful number, since it uses less digits than its factorization.

2560376563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 43.

The square root of 2560376563 is about 50600.1636657432. The cubic root of 2560376563 is about 1368.0478283937.

The spelling of 2560376563 in words is "two billion, five hundred sixty million, three hundred seventy-six thousand, five hundred sixty-three".