5151905399 has 2 divisors, whose sum is σ = 5151905400. Its totient is φ = 5151905398.

The previous prime is 5151905393. The next prime is 5151905453. The reversal of 5151905399 is 9935091515.

It is a happy number.

5151905399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5151905399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5151905393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575952699 + 2575952700.

It is an arithmetic number, because the mean of its divisors is an integer number (2575952700).

Almost surely, 2^5151905399 is an apocalyptic number.

5151905399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151905399 is an equidigital number, since it uses as much as digits as its factorization.

5151905399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 273375, while the sum is 47.

The square root of 5151905399 is about 71776.7747882280. The cubic root of 5151905399 is about 1727.1204504444.

The spelling of 5151905399 in words is "five billion, one hundred fifty-one million, nine hundred five thousand, three hundred ninety-nine".