8193958145 has 24 divisors (see below), whose sum is σ = 10598408064. Its totient is φ = 6077963808.

The previous prime is 8193958141. The next prime is 8193958151. The reversal of 8193958145 is 5418593918.

It is a happy number.

It is not a de Polignac number, because 8193958145 - 2² = 8193958141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8193958141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36542 + ... + 133128.

It is an arithmetic number, because the mean of its divisors is an integer number (441600336).

Almost surely, 2^8193958145 is an apocalyptic number.

It is an amenable number.

8193958145 is a deficient number, since it is larger than the sum of its proper divisors (2404449919).

8193958145 is a wasteful number, since it uses less digits than its factorization.

8193958145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96677 (or 96658 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 53.

The square root of 8193958145 is about 90520.4846705982. The cubic root of 8193958145 is about 2016.0342860530.

The spelling of 8193958145 in words is "eight billion, one hundred ninety-three million, nine hundred fifty-eight thousand, one hundred forty-five".