19082857494 has 16 divisors (see below), whose sum is σ = 38168388720. Its totient is φ = 6360506880.

The previous prime is 19082857487. The next prime is 19082857543. The reversal of 19082857494 is 49475828091.

It is a super-3 number, since 3×19082857494³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11767 + ... + 195714.

It is an arithmetic number, because the mean of its divisors is an integer number (2385524295).

Almost surely, 2^19082857494 is an apocalyptic number.

19082857494 is an abundant number, since it is smaller than the sum of its proper divisors (19085531226).

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

19082857494 is a wasteful number, since it uses less digits than its factorization.

19082857494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222815.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 19082857494 in words is "nineteen billion, eighty-two million, eight hundred fifty-seven thousand, four hundred ninety-four".