21714125245 has 16 divisors (see below), whose sum is σ = 27595297728. Its totient is φ = 16346149120.

The previous prime is 21714125201. The next prime is 21714125267. The reversal of 21714125245 is 54252141712.

It is not a de Polignac number, because 21714125245 - 2⁷ = 21714125117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21714125245.

It is a congruent 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, 447042 + ... + 493228.

It is an arithmetic number, because the mean of its divisors is an integer number (1724706108).

Almost surely, 2^21714125245 is an apocalyptic number.

It is an amenable number.

21714125245 is a deficient number, since it is larger than the sum of its proper divisors (5881172483).

21714125245 is a wasteful number, since it uses less digits than its factorization.

21714125245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51740.

The product of its digits is 22400, while the sum is 34.

Adding to 21714125245 its reverse (54252141712), we get a palindrome (75966266957).

The spelling of 21714125245 in words is "twenty-one billion, seven hundred fourteen million, one hundred twenty-five thousand, two hundred forty-five".