9313313143949 has 2 divisors, whose sum is σ = 9313313143950. Its totient is φ = 9313313143948.

The previous prime is 9313313143907. The next prime is 9313313144017. The reversal of 9313313143949 is 9493413133139.

9313313143949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6460315141225 + 2852998002724 = 2541715^2 + 1689082^2 .

It is a cyclic number.

It is not a de Polignac number, because 9313313143949 - 2²⁸ = 9313044708493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9313313143949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9313313143249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4656656571974 + 4656656571975.

It is an arithmetic number, because the mean of its divisors is an integer number (4656656571975).

Almost surely, 2^{9313313143949} is an apocalyptic number.

It is an amenable number.

9313313143949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9313313143949 is an equidigital number, since it uses as much as digits as its factorization.

9313313143949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 53.

The spelling of 9313313143949 in words is "nine trillion, three hundred thirteen billion, three hundred thirteen million, one hundred forty-three thousand, nine hundred forty-nine".