5627158421 has 2 divisors, whose sum is σ = 5627158422. Its totient is φ = 5627158420.

The previous prime is 5627158417. The next prime is 5627158477. The reversal of 5627158421 is 1248517265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4519200625 + 1107957796 = 67225^2 + 33286^2 .

It is a cyclic number.

It is not a de Polignac number, because 5627158421 - 2² = 5627158417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5627158021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813579210 + 2813579211.

It is an arithmetic number, because the mean of its divisors is an integer number (2813579211).

Almost surely, 2^5627158421 is an apocalyptic number.

It is an amenable number.

5627158421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5627158421 is an equidigital number, since it uses as much as digits as its factorization.

5627158421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 5627158421 is about 75014.3880932185. The cubic root of 5627158421 is about 1778.6740979173.

The spelling of 5627158421 in words is "five billion, six hundred twenty-seven million, one hundred fifty-eight thousand, four hundred twenty-one".