19075785850 has 48 divisors (see below), whose sum is σ = 40983376896. Its totient is φ = 6528608000.

The previous prime is 19075785847. The next prime is 19075785853. The reversal of 19075785850 is 5858757091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19075785847) and next prime (19075785853).

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 19075785791 and 19075785800.

It is not an unprimeable number, because it can be changed into a prime (19075785853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1010746 + ... + 1029445.

It is an arithmetic number, because the mean of its divisors is an integer number (853820352).

Almost surely, 2^19075785850 is an apocalyptic number.

19075785850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19075785850 is an abundant number, since it is smaller than the sum of its proper divisors (21907591046).

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

19075785850 is a wasteful number, since it uses less digits than its factorization.

19075785850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040231 (or 2040226 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 55.

The spelling of 19075785850 in words is "nineteen billion, seventy-five million, seven hundred eighty-five thousand, eight hundred fifty".