5211647899 has 2 divisors, whose sum is σ = 5211647900. Its totient is φ = 5211647898.

The previous prime is 5211647879. The next prime is 5211647927. The reversal of 5211647899 is 9987461125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5211647899 - 2²³ = 5203259291 is a prime.

It is a super-2 number, since 2×5211647899² = 54322547646302228402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5211647879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605823949 + 2605823950.

It is an arithmetic number, because the mean of its divisors is an integer number (2605823950).

Almost surely, 2^5211647899 is an apocalyptic number.

5211647899 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211647899 is an equidigital number, since it uses as much as digits as its factorization.

5211647899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 52.

The square root of 5211647899 is about 72191.7439808736. The cubic root of 5211647899 is about 1733.7708185368.

The spelling of 5211647899 in words is "five billion, two hundred eleven million, six hundred forty-seven thousand, eight hundred ninety-nine".