6431045911 has 2 divisors, whose sum is σ = 6431045912. Its totient is φ = 6431045910.

The previous prime is 6431045909. The next prime is 6431045969. The reversal of 6431045911 is 1195401346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6431045911 - 2¹ = 6431045909 is a prime.

Together with 6431045909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6431045981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215522955 + 3215522956.

It is an arithmetic number, because the mean of its divisors is an integer number (3215522956).

Almost surely, 2^6431045911 is an apocalyptic number.

6431045911 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431045911 is an equidigital number, since it uses as much as digits as its factorization.

6431045911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 6431045911 is about 80193.8021981749. The cubic root of 6431045911 is about 1859.6328244851.

The spelling of 6431045911 in words is "six billion, four hundred thirty-one million, forty-five thousand, nine hundred eleven".