29031092449 has 4 divisors (see below), whose sum is σ = 29047431364. Its totient is φ = 29014753536.

The previous prime is 29031092383. The next prime is 29031092471. The reversal of 29031092449 is 94429013092.

It is a happy number.

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 17716941025 + 11314151424 = 133105^2 + 106368^2 .

It is a cyclic number.

It is not a de Polignac number, because 29031092449 - 2²¹ = 29028995297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29031098449) 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, 8166792 + ... + 8170345.

It is an arithmetic number, because the mean of its divisors is an integer number (7261857841).

Almost surely, 2^29031092449 is an apocalyptic number.

It is an amenable number.

29031092449 is a deficient number, since it is larger than the sum of its proper divisors (16338915).

29031092449 is a wasteful number, since it uses less digits than its factorization.

29031092449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16338914.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 29031092449 in words is "twenty-nine billion, thirty-one million, ninety-two thousand, four hundred forty-nine".