21629035027 has 8 divisors (see below), whose sum is σ = 21760680464. Its totient is φ = 21497591808.

The previous prime is 21629035013. The next prime is 21629035031. The reversal of 21629035027 is 72053092612.

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 21629035027 - 2¹⁵ = 21629002259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21629035627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166843 + ... + 266635.

It is an arithmetic number, because the mean of its divisors is an integer number (2720085058).

Almost surely, 2^21629035027 is an apocalyptic number.

21629035027 is a deficient number, since it is larger than the sum of its proper divisors (131645437).

21629035027 is a wasteful number, since it uses less digits than its factorization.

21629035027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101109.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 21629035027 in words is "twenty-one billion, six hundred twenty-nine million, thirty-five thousand, twenty-seven".