74899092399 has 4 divisors (see below), whose sum is σ = 99865456536. Its totient is φ = 49932728264.

The previous prime is 74899092361. The next prime is 74899092409. The reversal of 74899092399 is 99329099847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74899092399 - 2⁸ = 74899092143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74899092199) 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, 12483182064 + ... + 12483182069.

It is an arithmetic number, because the mean of its divisors is an integer number (24966364134).

Almost surely, 2^74899092399 is an apocalyptic number.

74899092399 is a deficient number, since it is larger than the sum of its proper divisors (24966364137).

74899092399 is a wasteful number, since it uses less digits than its factorization.

74899092399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24966364136.

The product of its (nonzero) digits is 79361856, while the sum is 69.

The spelling of 74899092399 in words is "seventy-four billion, eight hundred ninety-nine million, ninety-two thousand, three hundred ninety-nine".