74091836113 has 2 divisors, whose sum is σ = 74091836114. Its totient is φ = 74091836112.

The previous prime is 74091836089. The next prime is 74091836153. The reversal of 74091836113 is 31163819047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41651503569 + 32440332544 = 204087^2 + 180112^2 .

It is an emirp because it is prime and its reverse (31163819047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74091836113 - 2¹³ = 74091827921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74091836113.

It is not a weakly prime, because it can be changed into another prime (74091836153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37045918056 + 37045918057.

It is an arithmetic number, because the mean of its divisors is an integer number (37045918057).

Almost surely, 2^74091836113 is an apocalyptic number.

It is an amenable number.

74091836113 is a deficient number, since it is larger than the sum of its proper divisors (1).

74091836113 is an equidigital number, since it uses as much as digits as its factorization.

74091836113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 74091836113 in words is "seventy-four billion, ninety-one million, eight hundred thirty-six thousand, one hundred thirteen".