5818640431 has 2 divisors, whose sum is σ = 5818640432. Its totient is φ = 5818640430.

The previous prime is 5818640423. The next prime is 5818640453. The reversal of 5818640431 is 1340468185.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5818640431 - 2³ = 5818640423 is a prime.

It is a super-2 number, since 2×5818640431² = 67713152930535731522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5818640411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909320215 + 2909320216.

It is an arithmetic number, because the mean of its divisors is an integer number (2909320216).

Almost surely, 2^5818640431 is an apocalyptic number.

5818640431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5818640431 is an equidigital number, since it uses as much as digits as its factorization.

5818640431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 5818640431 is about 76280.0133127938. The cubic root of 5818640431 is about 1798.6245079134.

The spelling of 5818640431 in words is "five billion, eight hundred eighteen million, six hundred forty thousand, four hundred thirty-one".