7149323243 has 8 divisors (see below), whose sum is σ = 7461201408. Its totient is φ = 6837531624.

The previous prime is 7149323213. The next prime is 7149323317. The reversal of 7149323243 is 3423239417.

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 7149323243 - 2¹² = 7149319147 is a prime.

It is a super-2 number, since 2×7149323243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7149323197 and 7149323206.

It is not an unprimeable number, because it can be changed into a prime (7149323213) 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, 192296 + ... + 226442.

It is an arithmetic number, because the mean of its divisors is an integer number (932650176).

Almost surely, 2^7149323243 is an apocalyptic number.

7149323243 is a deficient number, since it is larger than the sum of its proper divisors (311878165).

7149323243 is a wasteful number, since it uses less digits than its factorization.

7149323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43273.

The product of its digits is 108864, while the sum is 38.

The square root of 7149323243 is about 84553.6707837099. The cubic root of 7149323243 is about 1926.4377401513.

The spelling of 7149323243 in words is "seven billion, one hundred forty-nine million, three hundred twenty-three thousand, two hundred forty-three".