9457919941213 has 2 divisors, whose sum is σ = 9457919941214. Its totient is φ = 9457919941212.

The previous prime is 9457919941193. The next prime is 9457919941259. The reversal of 9457919941213 is 3121499197549.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9457574650489 + 345290724 = 3075317^2 + 18582^2 .

It is a cyclic number.

It is not a de Polignac number, because 9457919941213 - 2²⁹ = 9457383070301 is a prime.

It is a super-2 number, since 2×9457919941213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9457919041213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728959970606 + 4728959970607.

It is an arithmetic number, because the mean of its divisors is an integer number (4728959970607).

Almost surely, 2^{9457919941213} is an apocalyptic number.

It is an amenable number.

9457919941213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457919941213 is an equidigital number, since it uses as much as digits as its factorization.

9457919941213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 64.

The spelling of 9457919941213 in words is "nine trillion, four hundred fifty-seven billion, nine hundred nineteen million, nine hundred forty-one thousand, two hundred thirteen".