29322452644 has 9 divisors (see below), whose sum is σ = 51314891467. Its totient is φ = 14661055084.

The previous prime is 29322452623. The next prime is 29322452651. The reversal of 29322452644 is 44625422392.

The square root of 29322452644 is 171238.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29322452644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 299667 + ... + 385285.

Almost surely, 2^29322452644 is an apocalyptic number.

29322452644 is the 171238-th square number.

It is an amenable number.

29322452644 is a deficient number, since it is larger than the sum of its proper divisors (21992438823).

29322452644 is an frugal number, since it uses more digits than its factorization.

29322452644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171242 (or 85621 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The spelling of 29322452644 in words is "twenty-nine billion, three hundred twenty-two million, four hundred fifty-two thousand, six hundred forty-four".