6431273941 has 2 divisors, whose sum is σ = 6431273942. Its totient is φ = 6431273940.

The previous prime is 6431273929. The next prime is 6431273951. The reversal of 6431273941 is 1493721346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6072929041 + 358344900 = 77929^2 + 18930^2 .

It is a cyclic number.

It is not a de Polignac number, because 6431273941 - 2⁷ = 6431273813 is a prime.

It is a super-2 number, since 2×6431273941² = 82722569008371342962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6431273894 and 6431273903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6431273911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215636970 + 3215636971.

It is an arithmetic number, because the mean of its divisors is an integer number (3215636971).

Almost surely, 2^6431273941 is an apocalyptic number.

It is an amenable number.

6431273941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431273941 is an equidigital number, since it uses as much as digits as its factorization.

6431273941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 6431273941 is about 80195.2239288600. The cubic root of 6431273941 is about 1859.6548036503.

The spelling of 6431273941 in words is "six billion, four hundred thirty-one million, two hundred seventy-three thousand, nine hundred forty-one".