19371834000 has 120 divisors (see below), whose sum is σ = 67659421752. Its totient is φ = 5165817600.

The previous prime is 19371833963. The next prime is 19371834029. The reversal of 19371834000 is 43817391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2472873984 + 16898960016 = 49728^2 + 129996^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520107 + ... + 556106.

Almost surely, 2^19371834000 is an apocalyptic number.

19371834000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19371834000 is an abundant number, since it is smaller than the sum of its proper divisors (48287587752).

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

19371834000 is a wasteful number, since it uses less digits than its factorization.

19371834000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076242 (or 1076223 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 19371834000 in words is "nineteen billion, three hundred seventy-one million, eight hundred thirty-four thousand".