2254550466521 has 16 divisors (see below), whose sum is σ = 2391094712448. Its totient is φ = 2121308112000.

The previous prime is 2254550466479. The next prime is 2254550466523. The reversal of 2254550466521 is 1256640554522.

It is a cyclic number.

It is not a de Polignac number, because 2254550466521 - 2¹⁴ = 2254550450137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2254550466523) 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, 36701 + ... + 2123781.

It is an arithmetic number, because the mean of its divisors is an integer number (149443419528).

Almost surely, 2^{2254550466521} is an apocalyptic number.

It is an amenable number.

2254550466521 is a deficient number, since it is larger than the sum of its proper divisors (136544245927).

2254550466521 is a wasteful number, since it uses less digits than its factorization.

2254550466521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087872.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 2254550466521 in words is "two trillion, two hundred fifty-four billion, five hundred fifty million, four hundred sixty-six thousand, five hundred twenty-one".