7543993147 has 2 divisors, whose sum is σ = 7543993148. Its totient is φ = 7543993146.

The previous prime is 7543993141. The next prime is 7543993157. The reversal of 7543993147 is 7413993457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7543993147 - 2²³ = 7535604539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7543993094 and 7543993103.

It is not a weakly prime, because it can be changed into another prime (7543993141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771996573 + 3771996574.

It is an arithmetic number, because the mean of its divisors is an integer number (3771996574).

Almost surely, 2^7543993147 is an apocalyptic number.

7543993147 is a deficient number, since it is larger than the sum of its proper divisors (1).

7543993147 is an equidigital number, since it uses as much as digits as its factorization.

7543993147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 52.

The square root of 7543993147 is about 86856.1635521625. The cubic root of 7543993147 is about 1961.2536359853.

The spelling of 7543993147 in words is "seven billion, five hundred forty-three million, nine hundred ninety-three thousand, one hundred forty-seven".