8150349391 has 4 divisors (see below), whose sum is σ = 8504712432. Its totient is φ = 7795986352.

The previous prime is 8150349371. The next prime is 8150349397. The reversal of 8150349391 is 1939430518.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8150349391 - 2¹¹ = 8150347343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8150349397) 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, 177181486 + ... + 177181531.

It is an arithmetic number, because the mean of its divisors is an integer number (2126178108).

Almost surely, 2^8150349391 is an apocalyptic number.

8150349391 is a deficient number, since it is larger than the sum of its proper divisors (354363041).

8150349391 is a wasteful number, since it uses less digits than its factorization.

8150349391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354363040.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 8150349391 is about 90279.2855033756. The cubic root of 8150349391 is about 2012.4514359177.

The spelling of 8150349391 in words is "eight billion, one hundred fifty million, three hundred forty-nine thousand, three hundred ninety-one".