5122345999 has 2 divisors, whose sum is σ = 5122346000. Its totient is φ = 5122345998.

The previous prime is 5122345981. The next prime is 5122346023. The reversal of 5122345999 is 9995432215.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5122345999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5122345919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561172999 + 2561173000.

It is an arithmetic number, because the mean of its divisors is an integer number (2561173000).

Almost surely, 2^5122345999 is an apocalyptic number.

5122345999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122345999 is an equidigital number, since it uses as much as digits as its factorization.

5122345999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 49.

The square root of 5122345999 is about 71570.5665689465. The cubic root of 5122345999 is about 1723.8109567057.

The spelling of 5122345999 in words is "five billion, one hundred twenty-two million, three hundred forty-five thousand, nine hundred ninety-nine".