29090422721 has 8 divisors (see below), whose sum is σ = 29464435200. Its totient is φ = 28716554880.

The previous prime is 29090422703. The next prime is 29090422727. The reversal of 29090422721 is 12722409092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29090422721 - 2¹⁰ = 29090421697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29090422727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402641 + ... + 469361.

It is an arithmetic number, because the mean of its divisors is an integer number (3683054400).

Almost surely, 2^29090422721 is an apocalyptic number.

It is an amenable number.

29090422721 is a deficient number, since it is larger than the sum of its proper divisors (374012479).

29090422721 is an equidigital number, since it uses as much as digits as its factorization.

29090422721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72319.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 29090422721 in words is "twenty-nine billion, ninety million, four hundred twenty-two thousand, seven hundred twenty-one".