2563122064 has 20 divisors (see below), whose sum is σ = 5071711104. Its totient is φ = 1254293408.

The previous prime is 2563122043. The next prime is 2563122071. The reversal of 2563122064 is 4602213652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703452 + ... + 1704955.

Almost surely, 2^2563122064 is an apocalyptic number.

It is an amenable number.

2563122064 is a deficient number, since it is larger than the sum of its proper divisors (2508589040).

2563122064 is a wasteful number, since it uses less digits than its factorization.

2563122064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408462 (or 3408456 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2563122064 is about 50627.2857656817. The cubic root of 2563122064 is about 1368.5366412528.

The spelling of 2563122064 in words is "two billion, five hundred sixty-three million, one hundred twenty-two thousand, sixty-four".