2545468645451 has 8 divisors (see below), whose sum is σ = 2569294095984. Its totient is φ = 2521643862240.

The previous prime is 2545468645441. The next prime is 2545468645457. The reversal of 2545468645451 is 1545468645452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545468645451 - 2¹⁸ = 2545468383307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545468645457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10941521 + ... + 11171741.

It is an arithmetic number, because the mean of its divisors is an integer number (321161761998).

Almost surely, 2^{2545468645451} is an apocalyptic number.

2545468645451 is a deficient number, since it is larger than the sum of its proper divisors (23825450533).

2545468645451 is a wasteful number, since it uses less digits than its factorization.

2545468645451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333661.

The product of its digits is 92160000, while the sum is 59.

Subtracting from 2545468645451 its reverse (1545468645452), we obtain a palindrome (999999999999).

The spelling of 2545468645451 in words is "two trillion, five hundred forty-five billion, four hundred sixty-eight million, six hundred forty-five thousand, four hundred fifty-one".