5221398051 has 8 divisors (see below), whose sum is σ = 7735404560. Its totient is φ = 3480932016.

The previous prime is 5221398047. The next prime is 5221398059. The reversal of 5221398051 is 1508931225.

5221398051 is a `hidden beast` number, since 522 + 1 + 3 + 9 + 80 + 51 = 666.

It is not a de Polignac number, because 5221398051 - 2² = 5221398047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5221397997 and 5221398015.

It is not an unprimeable number, because it can be changed into a prime (5221398059) 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, 96692530 + ... + 96692583.

It is an arithmetic number, because the mean of its divisors is an integer number (966925570).

Almost surely, 2^5221398051 is an apocalyptic number.

5221398051 is a deficient number, since it is larger than the sum of its proper divisors (2514006509).

5221398051 is a wasteful number, since it uses less digits than its factorization.

5221398051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193385122 (or 193385116 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 5221398051 is about 72259.2419763728. The cubic root of 5221398051 is about 1734.8513467691.

The spelling of 5221398051 in words is "five billion, two hundred twenty-one million, three hundred ninety-eight thousand, fifty-one".