19142388370 has 32 divisors (see below), whose sum is σ = 39784606848. Its totient is φ = 6495441408.

The previous prime is 19142388301. The next prime is 19142388383. The reversal of 19142388370 is 7388324191.

It is a super-2 number, since 2×19142388370² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19142388370.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402812 + ... + 1416391.

It is an arithmetic number, because the mean of its divisors is an integer number (1243268964).

Almost surely, 2^19142388370 is an apocalyptic number.

19142388370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19142388370 is an abundant number, since it is smaller than the sum of its proper divisors (20642218478).

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

19142388370 is a wasteful number, since it uses less digits than its factorization.

19142388370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819314.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 19142388370 in words is "nineteen billion, one hundred forty-two million, three hundred eighty-eight thousand, three hundred seventy".