74282809229 has 4 divisors (see below), whose sum is σ = 75048611484. Its totient is φ = 73517006976.

The previous prime is 74282809207. The next prime is 74282809261. The reversal of 74282809229 is 92290828247.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30033583204 + 44249226025 = 173302^2 + 210355^2 .

It is a cyclic number.

It is not a de Polignac number, because 74282809229 - 2⁸ = 74282808973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74282809129) 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, 382900982 + ... + 382901175.

It is an arithmetic number, because the mean of its divisors is an integer number (18762152871).

Almost surely, 2^74282809229 is an apocalyptic number.

It is an amenable number.

74282809229 is a deficient number, since it is larger than the sum of its proper divisors (765802255).

74282809229 is an equidigital number, since it uses as much as digits as its factorization.

74282809229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765802254.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 74282809229 in words is "seventy-four billion, two hundred eighty-two million, eight hundred nine thousand, two hundred twenty-nine".