19041006918 has 48 divisors (see below), whose sum is σ = 40162797360. Its totient is φ = 6017206272.

The previous prime is 19041006913. The next prime is 19041006949. The reversal of 19041006918 is 81960014091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19041006913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332118 + ... + 385206.

It is an arithmetic number, because the mean of its divisors is an integer number (836724945).

Almost surely, 2^19041006918 is an apocalyptic number.

19041006918 is an abundant number, since it is smaller than the sum of its proper divisors (21121790442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19041006918 is a wasteful number, since it uses less digits than its factorization.

19041006918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53253 (or 53230 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 19041006918 in words is "nineteen billion, forty-one million, six thousand, nine hundred eighteen".