2522663899 has 8 divisors (see below), whose sum is σ = 2888319488. Its totient is φ = 2158327080.

The previous prime is 2522663887. The next prime is 2522663909. The reversal of 2522663899 is 9983662252.

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

It is not a de Polignac number, because 2522663899 - 2²¹ = 2520566747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522663399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325587 + ... + 333244.

It is an arithmetic number, because the mean of its divisors is an integer number (361039936).

Almost surely, 2^2522663899 is an apocalyptic number.

2522663899 is a deficient number, since it is larger than the sum of its proper divisors (365655589).

2522663899 is an equidigital number, since it uses as much as digits as its factorization.

2522663899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659385.

The product of its digits is 2799360, while the sum is 52.

The square root of 2522663899 is about 50226.1276528462. The cubic root of 2522663899 is about 1361.2977626384.

The spelling of 2522663899 in words is "two billion, five hundred twenty-two million, six hundred sixty-three thousand, eight hundred ninety-nine".