8189191035 has 12 divisors (see below), whose sum is σ = 14194597872. Its totient is φ = 4367568528.

The previous prime is 8189191001. The next prime is 8189191039. The reversal of 8189191035 is 5301919818.

It is not a de Polignac number, because 8189191035 - 2²² = 8184996731 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 181982023 = 8189191035 / (8 + 1 + 8 + 9 + 1 + 9 + 1 + 0 + 3 + 5).

It is not an unprimeable number, because it can be changed into a prime (8189191039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90990967 + ... + 90991056.

It is an arithmetic number, because the mean of its divisors is an integer number (1182883156).

Almost surely, 2^8189191035 is an apocalyptic number.

8189191035 is a deficient number, since it is larger than the sum of its proper divisors (6005406837).

8189191035 is a wasteful number, since it uses less digits than its factorization.

8189191035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181982034 (or 181982031 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The square root of 8189191035 is about 90494.1491755130. The cubic root of 8189191035 is about 2015.6432450196.

The spelling of 8189191035 in words is "eight billion, one hundred eighty-nine million, one hundred ninety-one thousand, thirty-five".