21485382101529 has 32 divisors (see below), whose sum is σ = 30215167019520. Its totient is φ = 13542609345408.

The previous prime is 21485382101501. The next prime is 21485382101537. The reversal of 21485382101529 is 92510128358412.

It is not a de Polignac number, because 21485382101529 - 2⁵ = 21485382101497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21485382101129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466310437 + ... + 466356509.

It is an arithmetic number, because the mean of its divisors is an integer number (944223969360).

Almost surely, 2^{21485382101529} is an apocalyptic number.

It is an amenable number.

21485382101529 is a deficient number, since it is larger than the sum of its proper divisors (8729784917991).

21485382101529 is a wasteful number, since it uses less digits than its factorization.

21485382101529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62261.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 21485382101529 in words is "twenty-one trillion, four hundred eighty-five billion, three hundred eighty-two million, one hundred one thousand, five hundred twenty-nine".