7323131663 has 2 divisors, whose sum is σ = 7323131664. Its totient is φ = 7323131662.

The previous prime is 7323131653. The next prime is 7323131719. The reversal of 7323131663 is 3661313237.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7323131663 - 2⁸ = 7323131407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7323131603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3661565831 + 3661565832.

It is an arithmetic number, because the mean of its divisors is an integer number (3661565832).

Almost surely, 2^7323131663 is an apocalyptic number.

7323131663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7323131663 is an equidigital number, since it uses as much as digits as its factorization.

7323131663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 35.

The square root of 7323131663 is about 85575.2982057322. The cubic root of 7323131663 is about 1941.9242309108.

The spelling of 7323131663 in words is "seven billion, three hundred twenty-three million, one hundred thirty-one thousand, six hundred sixty-three".