74209993099 has 16 divisors (see below), whose sum is σ = 82863031680. Its totient is φ = 65875642560.

The previous prime is 74209993061. The next prime is 74209993103. The reversal of 74209993099 is 99039990247.

It is a cyclic number.

It is not a de Polignac number, because 74209993099 - 2²¹ = 74207895947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74209991099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761924 + ... + 1803550.

It is an arithmetic number, because the mean of its divisors is an integer number (5178939480).

Almost surely, 2^74209993099 is an apocalyptic number.

74209993099 is a deficient number, since it is larger than the sum of its proper divisors (8653038581).

74209993099 is a wasteful number, since it uses less digits than its factorization.

74209993099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45450.

The product of its (nonzero) digits is 9920232, while the sum is 61.

The spelling of 74209993099 in words is "seventy-four billion, two hundred nine million, nine hundred ninety-three thousand, ninety-nine".