2566470375945 has 48 divisors (see below), whose sum is σ = 5102020639872. Its totient is φ = 1169097822720.

The previous prime is 2566470375919. The next prime is 2566470375947. The reversal of 2566470375945 is 5495730746652.

2566470375945 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 4 + 7 + 0 + 37 + 594 + 5 = 666.

It is not a de Polignac number, because 2566470375945 - 2¹⁰ = 2566470374921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2566470375947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14305776 + ... + 14484065.

It is an arithmetic number, because the mean of its divisors is an integer number (106292096664).

Almost surely, 2^{2566470375945} is an apocalyptic number.

It is an amenable number.

2566470375945 is a deficient number, since it is larger than the sum of its proper divisors (2535550263927).

2566470375945 is a wasteful number, since it uses less digits than its factorization.

2566470375945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28790142 (or 28790139 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 63.

The spelling of 2566470375945 in words is "two trillion, five hundred sixty-six billion, four hundred seventy million, three hundred seventy-five thousand, nine hundred forty-five".