2545468823 has 4 divisors (see below), whose sum is σ = 2633243640. Its totient is φ = 2457694008.

The previous prime is 2545468819. The next prime is 2545468829. The reversal of 2545468823 is 3288645452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2545468823 - 2² = 2545468819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545468829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43887365 + ... + 43887422.

It is an arithmetic number, because the mean of its divisors is an integer number (658310910).

Almost surely, 2^2545468823 is an apocalyptic number.

2545468823 is a deficient number, since it is larger than the sum of its proper divisors (87774817).

2545468823 is an equidigital number, since it uses as much as digits as its factorization.

2545468823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87774816.

The product of its digits is 1843200, while the sum is 47.

The square root of 2545468823 is about 50452.6394056842. The cubic root of 2545468823 is about 1365.3875150173.

The spelling of 2545468823 in words is "two billion, five hundred forty-five million, four hundred sixty-eight thousand, eight hundred twenty-three".