8149194670 has 16 divisors (see below), whose sum is σ = 14945316480. Its totient is φ = 3198174304.

The previous prime is 8149194629. The next prime is 8149194679. The reversal of 8149194670 is 764919418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149194679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7687390 + ... + 7688449.

It is an arithmetic number, because the mean of its divisors is an integer number (934082280).

Almost surely, 2^8149194670 is an apocalyptic number.

8149194670 is a deficient number, since it is larger than the sum of its proper divisors (6796121810).

8149194670 is a wasteful number, since it uses less digits than its factorization.

8149194670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375899.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 8149194670 is about 90272.8900058041. The cubic root of 8149194670 is about 2012.3563917433.

The spelling of 8149194670 in words is "eight billion, one hundred forty-nine million, one hundred ninety-four thousand, six hundred seventy".