19101001982 has 16 divisors (see below), whose sum is σ = 29005799760. Its totient is φ = 9432474432.

The previous prime is 19101001979. The next prime is 19101001991. The reversal of 19101001982 is 28910010191.

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, 570194 + ... + 602762.

It is an arithmetic number, because the mean of its divisors is an integer number (1812862485).

Almost surely, 2^19101001982 is an apocalyptic number.

19101001982 is a deficient number, since it is larger than the sum of its proper divisors (9904797778).

19101001982 is a wasteful number, since it uses less digits than its factorization.

19101001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36187.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 19101001982 in words is "nineteen billion, one hundred one million, one thousand, nine hundred eighty-two".