5255863499 has 2 divisors, whose sum is σ = 5255863500. Its totient is φ = 5255863498.

The previous prime is 5255863489. The next prime is 5255863507. The reversal of 5255863499 is 9943685525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5255863499 - 2²⁰ = 5254814923 is a prime.

It is a super-2 number, since 2×5255863499² = 55248202240241046002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5255863489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627931749 + 2627931750.

It is an arithmetic number, because the mean of its divisors is an integer number (2627931750).

Almost surely, 2^5255863499 is an apocalyptic number.

5255863499 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255863499 is an equidigital number, since it uses as much as digits as its factorization.

5255863499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664000, while the sum is 56.

The square root of 5255863499 is about 72497.3344268601. The cubic root of 5255863499 is about 1738.6601191307.

The spelling of 5255863499 in words is "five billion, two hundred fifty-five million, eight hundred sixty-three thousand, four hundred ninety-nine".