19000272430 has 32 divisors (see below), whose sum is σ = 34312844160. Its totient is φ = 7575187200.

The previous prime is 19000272419. The next prime is 19000272433. The reversal of 19000272430 is 3427200091.

It is a super-2 number, since 2×19000272430² (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 (19000272433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4318992 + ... + 4323388.

It is an arithmetic number, because the mean of its divisors is an integer number (1072276380).

Almost surely, 2^19000272430 is an apocalyptic number.

19000272430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19000272430 is a deficient number, since it is larger than the sum of its proper divisors (15312571730).

19000272430 is a wasteful number, since it uses less digits than its factorization.

19000272430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 19000272430 in words is "nineteen billion, two hundred seventy-two thousand, four hundred thirty".