19427956982 has 16 divisors (see below), whose sum is σ = 33984765600. Its totient is φ = 8326266984.

The previous prime is 19427956957. The next prime is 19427956991. The reversal of 19427956982 is 28965972491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14159633 + ... + 14161004.

It is an arithmetic number, because the mean of its divisors is an integer number (2124047850).

Almost surely, 2^19427956982 is an apocalyptic number.

19427956982 is a deficient number, since it is larger than the sum of its proper divisors (14556808618).

19427956982 is an equidigital number, since it uses as much as digits as its factorization.

19427956982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28320660 (or 28320646 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 62.

The spelling of 19427956982 in words is "nineteen billion, four hundred twenty-seven million, nine hundred fifty-six thousand, nine hundred eighty-two".