2253447421671 has 16 divisors (see below), whose sum is σ = 3058950643200. Its totient is φ = 1475203473120.

The previous prime is 2253447421637. The next prime is 2253447421721. The reversal of 2253447421671 is 1761247443522.

It is a happy number.

It is not a de Polignac number, because 2253447421671 - 2¹¹ = 2253447419623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2253447421671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253447421601) 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, 10169115 + ... + 10388348.

It is an arithmetic number, because the mean of its divisors is an integer number (191184415200).

Almost surely, 2^{2253447421671} is an apocalyptic number.

2253447421671 is a deficient number, since it is larger than the sum of its proper divisors (805503221529).

2253447421671 is a wasteful number, since it uses less digits than its factorization.

2253447421671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558126.

The product of its digits is 2257920, while the sum is 48.

The spelling of 2253447421671 in words is "two trillion, two hundred fifty-three billion, four hundred forty-seven million, four hundred twenty-one thousand, six hundred seventy-one".