19140195004 has 12 divisors (see below), whose sum is σ = 38280390064. Its totient is φ = 8202940704.

The previous prime is 19140195001. The next prime is 19140195017. The reversal of 19140195004 is 40059104191.

19140195004 is an admirable number.

It is a super-2 number, since 2×19140195004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19140195001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341789169 + ... + 341789224.

Almost surely, 2^19140195004 is an apocalyptic number.

19140195004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19140195004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19140195004 is a wasteful number, since it uses less digits than its factorization.

19140195004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683578404 (or 683578402 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 19140195004 its reverse (40059104191), we get a palindrome (59199299195).

The spelling of 19140195004 in words is "nineteen billion, one hundred forty million, one hundred ninety-five thousand, four".