74839265213 has 2 divisors, whose sum is σ = 74839265214. Its totient is φ = 74839265212.

The previous prime is 74839265203. The next prime is 74839265297. The reversal of 74839265213 is 31256293847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69570392644 + 5268872569 = 263762^2 + 72587^2 .

It is a cyclic number.

It is not a de Polignac number, because 74839265213 - 2¹⁰ = 74839264189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74839265203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37419632606 + 37419632607.

It is an arithmetic number, because the mean of its divisors is an integer number (37419632607).

Almost surely, 2^74839265213 is an apocalyptic number.

It is an amenable number.

74839265213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74839265213 is an equidigital number, since it uses as much as digits as its factorization.

74839265213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 74839265213 in words is "seventy-four billion, eight hundred thirty-nine million, two hundred sixty-five thousand, two hundred thirteen".