74505376737013 has 2 divisors, whose sum is σ = 74505376737014. Its totient is φ = 74505376737012.

The previous prime is 74505376736993. The next prime is 74505376737049. The reversal of 74505376737013 is 31073767350547.

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., 74289953582244 + 215423154769 = 8619162^2 + 464137^2 .

It is a cyclic number.

It is not a de Polignac number, because 74505376737013 - 2²⁹ = 74504839866101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74505376737053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252688368506 + 37252688368507.

It is an arithmetic number, because the mean of its divisors is an integer number (37252688368507).

Almost surely, 2^{74505376737013} is an apocalyptic number.

It is an amenable number.

74505376737013 is a deficient number, since it is larger than the sum of its proper divisors (1).

74505376737013 is an equidigital number, since it uses as much as digits as its factorization.

74505376737013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38896200, while the sum is 58.

The spelling of 74505376737013 in words is "seventy-four trillion, five hundred five billion, three hundred seventy-six million, seven hundred thirty-seven thousand, thirteen".