19986959807092 has 12 divisors (see below), whose sum is σ = 34978670818560. Its totient is φ = 9993053858936.

The previous prime is 19986959807069. The next prime is 19986959807131. The reversal of 19986959807092 is 29070895968991.

It is a super-2 number, since 2×19986959807092² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19986959806997 and 19986959807015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106405588 + ... + 106593259.

It is an arithmetic number, because the mean of its divisors is an integer number (2914889234880).

Almost surely, 2^{19986959807092} is an apocalyptic number.

It is an amenable number.

19986959807092 is a deficient number, since it is larger than the sum of its proper divisors (14991711011468).

19986959807092 is a wasteful number, since it uses less digits than its factorization.

19986959807092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213022310 (or 213022308 counting only the distinct ones).

The product of its (nonzero) digits is 1587237120, while the sum is 82.

The spelling of 19986959807092 in words is "nineteen trillion, nine hundred eighty-six billion, nine hundred fifty-nine million, eight hundred seven thousand, ninety-two".