5618856499 has 2 divisors, whose sum is σ = 5618856500. Its totient is φ = 5618856498.

The previous prime is 5618856457. The next prime is 5618856539. The reversal of 5618856499 is 9946588165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5618856499 - 2¹⁹ = 5618332211 is a prime.

It is not a weakly prime, because it can be changed into another prime (5618850499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809428249 + 2809428250.

It is an arithmetic number, because the mean of its divisors is an integer number (2809428250).

Almost surely, 2^5618856499 is an apocalyptic number.

5618856499 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618856499 is an equidigital number, since it uses as much as digits as its factorization.

5618856499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 61.

The square root of 5618856499 is about 74959.0321375616. The cubic root of 5618856499 is about 1777.7989563118.

The spelling of 5618856499 in words is "five billion, six hundred eighteen million, eight hundred fifty-six thousand, four hundred ninety-nine".