21714097192 has 8 divisors (see below), whose sum is σ = 40713932250. Its totient is φ = 10857048592.

The previous prime is 21714097151. The next prime is 21714097231. The reversal of 21714097192 is 29179041712.

It can be written as a sum of positive squares in only one way, i.e., 20887764676 + 826332516 = 144526^2 + 28746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357131067 + ... + 1357131082.

Almost surely, 2^21714097192 is an apocalyptic number.

It is an amenable number.

21714097192 is a deficient number, since it is larger than the sum of its proper divisors (18999835058).

21714097192 is a wasteful number, since it uses less digits than its factorization.

21714097192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714262155 (or 2714262151 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 21714097192 in words is "twenty-one billion, seven hundred fourteen million, ninety-seven thousand, one hundred ninety-two".