1008668431 has 2 divisors, whose sum is σ = 1008668432. Its totient is φ = 1008668430.

The previous prime is 1008668413. The next prime is 1008668443. The reversal of 1008668431 is 1348668001.

Together with previous prime (1008668413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1008668431 - 2⁵ = 1008668399 is a prime.

It is a super-2 number, since 2×1008668431² = 2034824007392003522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1008668411) 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, 504334215 + 504334216.

It is an arithmetic number, because the mean of its divisors is an integer number (504334216).

Almost surely, 2^1008668431 is an apocalyptic number.

1008668431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008668431 is an equidigital number, since it uses as much as digits as its factorization.

1008668431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1008668431 is about 31759.5407869824. The cubic root of 1008668431 is about 1002.8811678992.

The spelling of 1008668431 in words is "one billion, eight million, six hundred sixty-eight thousand, four hundred thirty-one".