9541428047 has 2 divisors, whose sum is σ = 9541428048. Its totient is φ = 9541428046.

The previous prime is 9541427981. The next prime is 9541428049. The reversal of 9541428047 is 7408241459.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9541428047 - 2²² = 9537233743 is a prime.

Together with 9541428049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9541427989 and 9541428007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9541428049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4770714023 + 4770714024.

It is an arithmetic number, because the mean of its divisors is an integer number (4770714024).

Almost surely, 2^9541428047 is an apocalyptic number.

9541428047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9541428047 is an equidigital number, since it uses as much as digits as its factorization.

9541428047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 9541428047 is about 97680.2336555354. The cubic root of 9541428047 is about 2120.9859575922.

The spelling of 9541428047 in words is "nine billion, five hundred forty-one million, four hundred twenty-eight thousand, forty-seven".