21629298522 has 32 divisors (see below), whose sum is σ = 46667017152. Its totient is φ = 6643620864.

The previous prime is 21629298503. The next prime is 21629298557. The reversal of 21629298522 is 22589292612.

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 15 ways as a sum of consecutive naturals, for example, 195288 + ... + 285299.

It is an arithmetic number, because the mean of its divisors is an integer number (1458344286).

Almost surely, 2^21629298522 is an apocalyptic number.

21629298522 is an abundant number, since it is smaller than the sum of its proper divisors (25037718630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21629298522 is a wasteful number, since it uses less digits than its factorization.

21629298522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481182.

The product of its digits is 622080, while the sum is 48.

The spelling of 21629298522 in words is "twenty-one billion, six hundred twenty-nine million, two hundred ninety-eight thousand, five hundred twenty-two".