21602345473715 has 8 divisors (see below), whose sum is σ = 25949622035040. Its totient is φ = 17264004734592.

The previous prime is 21602345473711. The next prime is 21602345473727. The reversal of 21602345473715 is 51737454320612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21602345473715 - 2² = 21602345473711 is a prime.

It is a super-2 number, since 2×21602345473715² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21602345473711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233950230 + ... + 2233959899.

It is an arithmetic number, because the mean of its divisors is an integer number (3243702754380).

Almost surely, 2^{21602345473715} is an apocalyptic number.

21602345473715 is a deficient number, since it is larger than the sum of its proper divisors (4347276561325).

21602345473715 is an equidigital number, since it uses as much as digits as its factorization.

21602345473715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467911101.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 21602345473715 in words is "twenty-one trillion, six hundred two billion, three hundred forty-five million, four hundred seventy-three thousand, seven hundred fifteen".