21629291302 has 16 divisors (see below), whose sum is σ = 32519615472. Its totient is φ = 10789440480.

The previous prime is 21629291297. The next prime is 21629291303. The reversal of 21629291302 is 20319292612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21629291303) 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, 2995048 + ... + 3002260.

It is an arithmetic number, because the mean of its divisors is an integer number (2032475967).

Almost surely, 2^21629291302 is an apocalyptic number.

21629291302 is a deficient number, since it is larger than the sum of its proper divisors (10890324170).

21629291302 is a wasteful number, since it uses less digits than its factorization.

21629291302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 21629291302 in words is "twenty-one billion, six hundred twenty-nine million, two hundred ninety-one thousand, three hundred two".