29082664321 has 4 divisors (see below), whose sum is σ = 29083106052. Its totient is φ = 29082222592.

The previous prime is 29082664319. The next prime is 29082664327. The reversal of 29082664321 is 12346628092.

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 15434583696 + 13648080625 = 124236^2 + 116825^2 .

It is a cyclic number.

It is not a de Polignac number, because 29082664321 - 2¹ = 29082664319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29082664327) 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, 100096 + ... + 261121.

It is an arithmetic number, because the mean of its divisors is an integer number (7270776513).

Almost surely, 2^29082664321 is an apocalyptic number.

It is an amenable number.

29082664321 is a deficient number, since it is larger than the sum of its proper divisors (441731).

29082664321 is an equidigital number, since it uses as much as digits as its factorization.

29082664321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441730.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 29082664321 in words is "twenty-nine billion, eighty-two million, six hundred sixty-four thousand, three hundred twenty-one".