21114088692 has 12 divisors (see below), whose sum is σ = 49266206976. Its totient is φ = 7038029560.

The previous prime is 21114088691. The next prime is 21114088703. The reversal of 21114088692 is 29688041112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114088691) 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, 879753684 + ... + 879753707.

It is an arithmetic number, because the mean of its divisors is an integer number (4105517248).

Almost surely, 2^21114088692 is an apocalyptic number.

It is an amenable number.

21114088692 is an abundant number, since it is smaller than the sum of its proper divisors (28152118284).

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

21114088692 is a wasteful number, since it uses less digits than its factorization.

21114088692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759507398 (or 1759507396 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 21114088692 in words is "twenty-one billion, one hundred fourteen million, eighty-eight thousand, six hundred ninety-two".