19011051982 has 16 divisors (see below), whose sum is σ = 31289600160. Its totient is φ = 8608777632.

The previous prime is 19011051967. The next prime is 19011051991. The reversal of 19011051982 is 28915011091.

It is a super-2 number, since 2×19011051982² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6896682 + ... + 6899437.

It is an arithmetic number, because the mean of its divisors is an integer number (1955600010).

Almost surely, 2^19011051982 is an apocalyptic number.

19011051982 is a deficient number, since it is larger than the sum of its proper divisors (12278548178).

19011051982 is a wasteful number, since it uses less digits than its factorization.

19011051982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796187.

The product of its (nonzero) digits is 6480, while the sum is 37.

The spelling of 19011051982 in words is "nineteen billion, eleven million, fifty-one thousand, nine hundred eighty-two".