8149193597 has 8 divisors (see below), whose sum is σ = 8353651320. Its totient is φ = 7947244800.

The previous prime is 8149193567. The next prime is 8149193599. The reversal of 8149193597 is 7953919418.

It can be written as a sum of positive squares in 4 ways, for example, as 2011881316 + 6137312281 = 44854^2 + 78341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8149193597 - 2¹⁴ = 8149177213 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 (8149193599) 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, 620654 + ... + 633647.

It is an arithmetic number, because the mean of its divisors is an integer number (1044206415).

Almost surely, 2^8149193597 is an apocalyptic number.

It is an amenable number.

8149193597 is a deficient number, since it is larger than the sum of its proper divisors (204457723).

8149193597 is a wasteful number, since it uses less digits than its factorization.

8149193597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254463.

The product of its digits is 2449440, while the sum is 56.

The square root of 8149193597 is about 90272.8840627129. The cubic root of 8149193597 is about 2012.3563034213.

The spelling of 8149193597 in words is "eight billion, one hundred forty-nine million, one hundred ninety-three thousand, five hundred ninety-seven".