9454428427 has 2 divisors, whose sum is σ = 9454428428. Its totient is φ = 9454428426.

The previous prime is 9454428419. The next prime is 9454428449. The reversal of 9454428427 is 7248244549.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9454428427 - 2³ = 9454428419 is a prime.

It is not a weakly prime, because it can be changed into another prime (9454428457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4727214213 + 4727214214.

It is an arithmetic number, because the mean of its divisors is an integer number (4727214214).

Almost surely, 2^9454428427 is an apocalyptic number.

9454428427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9454428427 is an equidigital number, since it uses as much as digits as its factorization.

9454428427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 49.

The square root of 9454428427 is about 97233.8851789848. The cubic root of 9454428427 is about 2114.5198161731.

The spelling of 9454428427 in words is "nine billion, four hundred fifty-four million, four hundred twenty-eight thousand, four hundred twenty-seven".