21022825414079 has 4 divisors (see below), whose sum is σ = 21024893989176. Its totient is φ = 21020756838984.

The previous prime is 21022825414069. The next prime is 21022825414093. The reversal of 21022825414079 is 97041452822012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21022825414079 - 2⁸ = 21022825413823 is a prime.

It is a super-2 number, since 2×21022825414079² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022825414039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034272304 + ... + 1034292629.

It is an arithmetic number, because the mean of its divisors is an integer number (5256223497294).

Almost surely, 2^{21022825414079} is an apocalyptic number.

21022825414079 is a deficient number, since it is larger than the sum of its proper divisors (2068575097).

21022825414079 is a wasteful number, since it uses less digits than its factorization.

21022825414079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068575096.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 21022825414079 in words is "twenty-one trillion, twenty-two billion, eight hundred twenty-five million, four hundred fourteen thousand, seventy-nine".