8150449892 has 12 divisors (see below), whose sum is σ = 15360463356. Its totient is φ = 3761746080.

The previous prime is 8150449891. The next prime is 8150449981. The reversal of 8150449892 is 2989440518.

It can be written as a sum of positive squares in 2 ways, for example, as 3320755876 + 4829694016 = 57626^2 + 69496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8150449892.

It is not an unprimeable number, because it can be changed into a prime (8150449891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78369659 + ... + 78369762.

It is an arithmetic number, because the mean of its divisors is an integer number (1280038613).

Almost surely, 2^8150449892 is an apocalyptic number.

It is an amenable number.

8150449892 is a deficient number, since it is larger than the sum of its proper divisors (7210013464).

8150449892 is a wasteful number, since it uses less digits than its factorization.

8150449892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156739438 (or 156739436 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 8150449892 is about 90279.8421132868. The cubic root of 8150449892 is about 2012.4597076511.

The spelling of 8150449892 in words is "eight billion, one hundred fifty million, four hundred forty-nine thousand, eight hundred ninety-two".