5151331399 has 2 divisors, whose sum is σ = 5151331400. Its totient is φ = 5151331398.

The previous prime is 5151331397. The next prime is 5151331421. The reversal of 5151331399 is 9931331515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5151331399 - 2¹ = 5151331397 is a prime.

Together with 5151331397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5151331391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575665699 + 2575665700.

It is an arithmetic number, because the mean of its divisors is an integer number (2575665700).

Almost surely, 2^5151331399 is an apocalyptic number.

5151331399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151331399 is an equidigital number, since it uses as much as digits as its factorization.

5151331399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54675, while the sum is 40.

The square root of 5151331399 is about 71772.7761689626. The cubic root of 5151331399 is about 1727.0563056357.

The spelling of 5151331399 in words is "five billion, one hundred fifty-one million, three hundred thirty-one thousand, three hundred ninety-nine".