7941126731 has 2 divisors, whose sum is σ = 7941126732. Its totient is φ = 7941126730.

The previous prime is 7941126709. The next prime is 7941126757. The reversal of 7941126731 is 1376211497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7941126731 - 2²² = 7936932427 is a prime.

It is a super-2 number, since 2×7941126731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7941126761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3970563365 + 3970563366.

It is an arithmetic number, because the mean of its divisors is an integer number (3970563366).

Almost surely, 2^7941126731 is an apocalyptic number.

7941126731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7941126731 is an equidigital number, since it uses as much as digits as its factorization.

7941126731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 7941126731 is about 89112.9997867876. Note that the first 3 decimals coincide. The cubic root of 7941126731 is about 1995.0818098666.

The spelling of 7941126731 in words is "seven billion, nine hundred forty-one million, one hundred twenty-six thousand, seven hundred thirty-one".