2545790667 has 16 divisors (see below), whose sum is σ = 3881052672. Its totient is φ = 1454080320.

The previous prime is 2545790641. The next prime is 2545790671. The reversal of 2545790667 is 7660975452.

It is not a de Polignac number, because 2545790667 - 2¹² = 2545786571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545798667) 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, 22303 + ... + 74759.

It is an arithmetic number, because the mean of its divisors is an integer number (242565792).

Almost surely, 2^2545790667 is an apocalyptic number.

2545790667 is a deficient number, since it is larger than the sum of its proper divisors (1335262005).

2545790667 is a wasteful number, since it uses less digits than its factorization.

2545790667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54778.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The square root of 2545790667 is about 50455.8288704090. The cubic root of 2545790667 is about 1365.4450582167.

The spelling of 2545790667 in words is "two billion, five hundred forty-five million, seven hundred ninety thousand, six hundred sixty-seven".