21670480092 has 36 divisors (see below), whose sum is σ = 51402826328. Its totient is φ = 7103769600.

The previous prime is 21670480061. The next prime is 21670480127. The reversal of 21670480092 is 29008407612.

It is a self number, because there is not a number n which added to its sum of digits gives 21670480092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3980092 + ... + 3985532.

Almost surely, 2^21670480092 is an apocalyptic number.

It is an amenable number.

21670480092 is an abundant number, since it is smaller than the sum of its proper divisors (29732346236).

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

21670480092 is an frugal number, since it uses more digits than its factorization.

21670480092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10950 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 21670480092 in words is "twenty-one billion, six hundred seventy million, four hundred eighty thousand, ninety-two".