8150686889 has 2 divisors, whose sum is σ = 8150686890. Its totient is φ = 8150686888.

The previous prime is 8150686883. The next prime is 8150686891. The reversal of 8150686889 is 9886860518.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6692058025 + 1458628864 = 81805^2 + 38192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8150686889 is a prime.

Together with 8150686891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8150686883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075343444 + 4075343445.

It is an arithmetic number, because the mean of its divisors is an integer number (4075343445).

Almost surely, 2^8150686889 is an apocalyptic number.

It is an amenable number.

8150686889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8150686889 is an equidigital number, since it uses as much as digits as its factorization.

8150686889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 59.

The square root of 8150686889 is about 90281.1546725007. The cubic root of 8150686889 is about 2012.4792134165.

The spelling of 8150686889 in words is "eight billion, one hundred fifty million, six hundred eighty-six thousand, eight hundred eighty-nine".