2550352421421 has 12 divisors (see below), whose sum is σ = 4210105584672. Its totient is φ = 1457344240776.

The previous prime is 2550352421363. The next prime is 2550352421483. The reversal of 2550352421421 is 1241242530552.

2550352421421 is a `hidden beast` number, since 2 + 5 + 503 + 5 + 2 + 4 + 2 + 142 + 1 = 666.

It is not a de Polignac number, because 2550352421421 - 2⁷ = 2550352421293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550352421321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20240892171 + ... + 20240892296.

It is an arithmetic number, because the mean of its divisors is an integer number (350842132056).

Almost surely, 2^{2550352421421} is an apocalyptic number.

2550352421421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2550352421421 is a deficient number, since it is larger than the sum of its proper divisors (1659753163251).

2550352421421 is a wasteful number, since it uses less digits than its factorization.

2550352421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40481784480 (or 40481784477 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 2550352421421 its reverse (1241242530552), we get a palindrome (3791594951973).

The spelling of 2550352421421 in words is "two trillion, five hundred fifty billion, three hundred fifty-two million, four hundred twenty-one thousand, four hundred twenty-one".