2549553221315 has 8 divisors (see below), whose sum is σ = 3061446677088. Its totient is φ = 2038320702720.

The previous prime is 2549553221279. The next prime is 2549553221323. The reversal of 2549553221315 is 5131223559452.

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

It is not a de Polignac number, because 2549553221315 - 2¹⁸ = 2549552959171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2549553221315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165225806 + ... + 165241235.

It is an arithmetic number, because the mean of its divisors is an integer number (382680834636).

Almost surely, 2^{2549553221315} is an apocalyptic number.

2549553221315 is a deficient number, since it is larger than the sum of its proper divisors (511893455773).

2549553221315 is a wasteful number, since it uses less digits than its factorization.

2549553221315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330468589.

The product of its digits is 1620000, while the sum is 47.

The spelling of 2549553221315 in words is "two trillion, five hundred forty-nine billion, five hundred fifty-three million, two hundred twenty-one thousand, three hundred fifteen".