8213891050 has 24 divisors (see below), whose sum is σ = 15331849056. Its totient is φ = 3273941040.

The previous prime is 8213891039. The next prime is 8213891051. The reversal of 8213891050 is 501983128.

It is not an unprimeable number, because it can be changed into a prime (8213891051) 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, 276094 + ... + 304393.

It is an arithmetic number, because the mean of its divisors is an integer number (638827044).

Almost surely, 2^8213891050 is an apocalyptic number.

8213891050 is a deficient number, since it is larger than the sum of its proper divisors (7117958006).

8213891050 is a wasteful number, since it uses less digits than its factorization.

8213891050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580782 (or 580777 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 8213891050 is about 90630.5194181298. The cubic root of 8213891050 is about 2017.6677204152.

The spelling of 8213891050 in words is "eight billion, two hundred thirteen million, eight hundred ninety-one thousand, fifty".