7149323197 has 8 divisors (see below), whose sum is σ = 7461748800. Its totient is φ = 6837029760.

The previous prime is 7149323183. The next prime is 7149323213. The reversal of 7149323197 is 7913239417.

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 7149323197 - 2²³ = 7140934589 is a prime.

It is a super-2 number, since 2×7149323197² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149320197) 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, 86797 + ... + 147757.

It is an arithmetic number, because the mean of its divisors is an integer number (932718600).

Almost surely, 2^7149323197 is an apocalyptic number.

It is an amenable number.

7149323197 is a deficient number, since it is larger than the sum of its proper divisors (312425603).

7149323197 is a wasteful number, since it uses less digits than its factorization.

7149323197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66083.

The product of its digits is 285768, while the sum is 46.

The square root of 7149323197 is about 84553.6705116933. The cubic root of 7149323197 is about 1926.4377360196.

The spelling of 7149323197 in words is "seven billion, one hundred forty-nine million, three hundred twenty-three thousand, one hundred ninety-seven".