2569357545 has 16 divisors (see below), whose sum is σ = 4160503872. Its totient is φ = 1353813440.

The previous prime is 2569357541. The next prime is 2569357559. The reversal of 2569357545 is 5457539652.

It is not a de Polignac number, because 2569357545 - 2² = 2569357541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2569357541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030626 + ... + 1033115.

It is an arithmetic number, because the mean of its divisors is an integer number (260031492).

Almost surely, 2^2569357545 is an apocalyptic number.

It is an amenable number.

2569357545 is a deficient number, since it is larger than the sum of its proper divisors (1591146327).

2569357545 is a wasteful number, since it uses less digits than its factorization.

2569357545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063832.

The product of its digits is 5670000, while the sum is 51.

The square root of 2569357545 is about 50688.8305743977. The cubic root of 2569357545 is about 1369.6455198461.

It can be divided in two parts, 25693 and 57545, that added together give a palindrome (83238).

The spelling of 2569357545 in words is "two billion, five hundred sixty-nine million, three hundred fifty-seven thousand, five hundred forty-five".