29132741665 has 4 divisors (see below), whose sum is σ = 34959290004. Its totient is φ = 23306193328.

The previous prime is 29132741653. The next prime is 29132741681. The reversal of 29132741665 is 56614723192.

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 22856299489 + 6276442176 = 151183^2 + 79224^2 .

It is a cyclic number.

It is not a de Polignac number, because 29132741665 - 2⁵ = 29132741633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2913274162 + ... + 2913274171.

It is an arithmetic number, because the mean of its divisors is an integer number (8739822501).

Almost surely, 2^29132741665 is an apocalyptic number.

It is an amenable number.

29132741665 is a deficient number, since it is larger than the sum of its proper divisors (5826548339).

29132741665 is an equidigital number, since it uses as much as digits as its factorization.

29132741665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826548338.

The product of its digits is 544320, while the sum is 46.

The spelling of 29132741665 in words is "twenty-nine billion, one hundred thirty-two million, seven hundred forty-one thousand, six hundred sixty-five".