21470134603692 has 24 divisors (see below), whose sum is σ = 52275110340096. Its totient is φ = 6845550163408.

The previous prime is 21470134603613. The next prime is 21470134603739. The reversal of 21470134603692 is 29630643107412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38895171108 + ... + 38895171659.

It is an arithmetic number, because the mean of its divisors is an integer number (2178129597504).

Almost surely, 2^{21470134603692} is an apocalyptic number.

It is an amenable number.

21470134603692 is an abundant number, since it is smaller than the sum of its proper divisors (30804975736404).

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

21470134603692 is a wasteful number, since it uses less digits than its factorization.

21470134603692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77790342797 (or 77790342795 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 21470134603692 in words is "twenty-one trillion, four hundred seventy billion, one hundred thirty-four million, six hundred three thousand, six hundred ninety-two".