19842100862 has 16 divisors (see below), whose sum is σ = 31843237200. Its totient is φ = 9244808640.

The previous prime is 19842100849. The next prime is 19842100903. The reversal of 19842100862 is 26800124891.

It is a super-2 number, since 2×19842100862² (a number of 21 digits) contains 22 as substring.

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, 4277687 + ... + 4282322.

It is an arithmetic number, because the mean of its divisors is an integer number (1990202325).

Almost surely, 2^19842100862 is an apocalyptic number.

19842100862 is a deficient number, since it is larger than the sum of its proper divisors (12001136338).

19842100862 is a wasteful number, since it uses less digits than its factorization.

19842100862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560091.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 19842100862 in words is "nineteen billion, eight hundred forty-two million, one hundred thousand, eight hundred sixty-two".