19020709143 has 32 divisors (see below), whose sum is σ = 28418438400. Its totient is φ = 12572820000.

The previous prime is 19020709087. The next prime is 19020709157. The reversal of 19020709143 is 34190702091.

It is not a de Polignac number, because 19020709143 - 2⁸ = 19020708887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19020709098 and 19020709107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19020709163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7960593 + ... + 7962981.

It is an arithmetic number, because the mean of its divisors is an integer number (888076200).

Almost surely, 2^19020709143 is an apocalyptic number.

19020709143 is a deficient number, since it is larger than the sum of its proper divisors (9397729257).

19020709143 is a wasteful number, since it uses less digits than its factorization.

19020709143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780 (or 4774 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 19020709143 in words is "nineteen billion, twenty million, seven hundred nine thousand, one hundred forty-three".