5623986409 has 2 divisors, whose sum is σ = 5623986410. Its totient is φ = 5623986408.

The previous prime is 5623986397. The next prime is 5623986413. The reversal of 5623986409 is 9046893265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3129283600 + 2494702809 = 55940^2 + 49947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5623986409 is a prime.

It is not a weakly prime, because it can be changed into another prime (5623986479) 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, 2811993204 + 2811993205.

It is an arithmetic number, because the mean of its divisors is an integer number (2811993205).

Almost surely, 2^5623986409 is an apocalyptic number.

It is an amenable number.

5623986409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5623986409 is an equidigital number, since it uses as much as digits as its factorization.

5623986409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 5623986409 is about 74993.2424222343. The cubic root of 5623986409 is about 1778.3398240492.

The spelling of 5623986409 in words is "five billion, six hundred twenty-three million, nine hundred eighty-six thousand, four hundred nine".