74246965213 has 2 divisors, whose sum is σ = 74246965214. Its totient is φ = 74246965212.

The previous prime is 74246965189. The next prime is 74246965279. The reversal of 74246965213 is 31256964247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67702478809 + 6544486404 = 260197^2 + 80898^2 .

It is a cyclic number.

It is not a de Polignac number, because 74246965213 - 2²⁹ = 73710094301 is a prime.

It is a super-2 number, since 2×74246965213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74246965283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37123482606 + 37123482607.

It is an arithmetic number, because the mean of its divisors is an integer number (37123482607).

Almost surely, 2^74246965213 is an apocalyptic number.

It is an amenable number.

74246965213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74246965213 is an equidigital number, since it uses as much as digits as its factorization.

74246965213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The spelling of 74246965213 in words is "seventy-four billion, two hundred forty-six million, nine hundred sixty-five thousand, two hundred thirteen".