29497324081 has 4 divisors (see below), whose sum is σ = 29514445552. Its totient is φ = 29480202612.

The previous prime is 29497324069. The next prime is 29497324097. The reversal of 29497324081 is 18042379492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29497324081 - 2⁷ = 29497323953 is a prime.

It is a super-2 number, since 2×29497324081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29297324081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8558151 + ... + 8561596.

It is an arithmetic number, because the mean of its divisors is an integer number (7378611388).

Almost surely, 2^29497324081 is an apocalyptic number.

It is an amenable number.

29497324081 is a deficient number, since it is larger than the sum of its proper divisors (17121471).

29497324081 is a wasteful number, since it uses less digits than its factorization.

29497324081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17121470.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 29497324081 in words is "twenty-nine billion, four hundred ninety-seven million, three hundred twenty-four thousand, eighty-one".