21492079435 has 16 divisors (see below), whose sum is σ = 27019809792. Its totient is φ = 16390677600.

The previous prime is 21492079403. The next prime is 21492079459. The reversal of 21492079435 is 53497029412.

It is not a de Polignac number, because 21492079435 - 2⁵ = 21492079403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024381 + ... + 1045150.

It is an arithmetic number, because the mean of its divisors is an integer number (1688738112).

Almost surely, 2^21492079435 is an apocalyptic number.

21492079435 is a deficient number, since it is larger than the sum of its proper divisors (5527730357).

21492079435 is a wasteful number, since it uses less digits than its factorization.

21492079435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069634.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 21492079435 in words is "twenty-one billion, four hundred ninety-two million, seventy-nine thousand, four hundred thirty-five".