5056151621 has 2 divisors, whose sum is σ = 5056151622. Its totient is φ = 5056151620.

The previous prime is 5056151609. The next prime is 5056151627. The reversal of 5056151621 is 1261516505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4221750625 + 834400996 = 64975^2 + 28886^2 .

It is a cyclic number.

It is not a de Polignac number, because 5056151621 - 2⁶ = 5056151557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5056151627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528075810 + 2528075811.

It is an arithmetic number, because the mean of its divisors is an integer number (2528075811).

Almost surely, 2^5056151621 is an apocalyptic number.

It is an amenable number.

5056151621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5056151621 is an equidigital number, since it uses as much as digits as its factorization.

5056151621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 5056151621 is about 71106.6214989856. The cubic root of 5056151621 is about 1716.3533273245.

The spelling of 5056151621 in words is "five billion, fifty-six million, one hundred fifty-one thousand, six hundred twenty-one".