2159999999992 has 8 divisors (see below), whose sum is σ = 4050000000000. Its totient is φ = 1079999999992.

The previous prime is 2159999999953. The next prime is 2160000000007. The reversal of 2159999999992 is 2999999999512.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2159999999897 and 2159999999906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134999999992 + ... + 135000000007.

It is an arithmetic number, because the mean of its divisors is an integer number (506250000000).

Almost surely, 2^{2159999999992} is an apocalyptic number.

It is an amenable number.

2159999999992 is a deficient number, since it is larger than the sum of its proper divisors (1890000000008).

2159999999992 is a wasteful number, since it uses less digits than its factorization.

2159999999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270000000005 (or 270000000001 counting only the distinct ones).

The product of its digits is 7748409780, while the sum is 91.

The spelling of 2159999999992 in words is "two trillion, one hundred fifty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-two".