74344513099 has 4 divisors (see below), whose sum is σ = 74345248440. Its totient is φ = 74343777760.

The previous prime is 74344513081. The next prime is 74344513157. The reversal of 74344513099 is 99031544347.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 74344513099 - 2¹⁹ = 74343988811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74344553099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186142 + ... + 428179.

It is an arithmetic number, because the mean of its divisors is an integer number (18586312110).

Almost surely, 2^74344513099 is an apocalyptic number.

74344513099 is a deficient number, since it is larger than the sum of its proper divisors (735341).

74344513099 is a wasteful number, since it uses less digits than its factorization.

74344513099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735340.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 74344513099 in words is "seventy-four billion, three hundred forty-four million, five hundred thirteen thousand, ninety-nine".