9571422067 has 2 divisors, whose sum is σ = 9571422068. Its totient is φ = 9571422066.

The previous prime is 9571422053. The next prime is 9571422089. The reversal of 9571422067 is 7602241759.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9571422067 is a prime.

It is a super-2 number, since 2×9571422067² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9571422017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4785711033 + 4785711034.

It is an arithmetic number, because the mean of its divisors is an integer number (4785711034).

Almost surely, 2^9571422067 is an apocalyptic number.

9571422067 is a deficient number, since it is larger than the sum of its proper divisors (1).

9571422067 is an equidigital number, since it uses as much as digits as its factorization.

9571422067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 9571422067 is about 97833.6448620821. The cubic root of 9571422067 is about 2123.2061126880.

The spelling of 9571422067 in words is "nine billion, five hundred seventy-one million, four hundred twenty-two thousand, sixty-seven".