2253449336443 has 8 divisors (see below), whose sum is σ = 2265264528912. Its totient is φ = 2241637946016.

The previous prime is 2253449336401. The next prime is 2253449336447. The reversal of 2253449336443 is 3446339443522.

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 2253449336443 - 2²¹ = 2253447239291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2253449336447) 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, 241896 + ... + 2136682.

It is an arithmetic number, because the mean of its divisors is an integer number (283158066114).

Almost surely, 2^{2253449336443} is an apocalyptic number.

2253449336443 is a deficient number, since it is larger than the sum of its proper divisors (11815192469).

2253449336443 is a wasteful number, since it uses less digits than its factorization.

2253449336443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901021.

The product of its digits is 22394880, while the sum is 52.

The spelling of 2253449336443 in words is "two trillion, two hundred fifty-three billion, four hundred forty-nine million, three hundred thirty-six thousand, four hundred forty-three".