7731410148013 has 2 divisors, whose sum is σ = 7731410148014. Its totient is φ = 7731410148012.

The previous prime is 7731410147987. The next prime is 7731410148017. The reversal of 7731410148013 is 3108410141377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6361709751049 + 1369700396964 = 2522243^2 + 1170342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7731410148013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7731410148017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3865705074006 + 3865705074007.

It is an arithmetic number, because the mean of its divisors is an integer number (3865705074007).

Almost surely, 2^{7731410148013} is an apocalyptic number.

It is an amenable number.

7731410148013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7731410148013 is an equidigital number, since it uses as much as digits as its factorization.

7731410148013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 7731410148013 in words is "seven trillion, seven hundred thirty-one billion, four hundred ten million, one hundred forty-eight thousand, thirteen".