9540412243 has 2 divisors, whose sum is σ = 9540412244. Its totient is φ = 9540412242.

The previous prime is 9540412207. The next prime is 9540412307. The reversal of 9540412243 is 3422140459.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9540412243 - 2⁹ = 9540411731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9540412199 and 9540412208.

It is not a weakly prime, because it can be changed into another prime (9540412543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4770206121 + 4770206122.

It is an arithmetic number, because the mean of its divisors is an integer number (4770206122).

Almost surely, 2^9540412243 is an apocalyptic number.

9540412243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9540412243 is an equidigital number, since it uses as much as digits as its factorization.

9540412243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 9540412243 is about 97675.0338776496. The cubic root of 9540412243 is about 2120.9106864528.

The spelling of 9540412243 in words is "nine billion, five hundred forty million, four hundred twelve thousand, two hundred forty-three".