9686958427 has 2 divisors, whose sum is σ = 9686958428. Its totient is φ = 9686958426.

The previous prime is 9686958361. The next prime is 9686958431. The reversal of 9686958427 is 7248596869.

It is a strong prime.

It is an emirp because it is prime and its reverse (7248596869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9686958427 - 2¹⁵ = 9686925659 is a prime.

It is not a weakly prime, because it can be changed into another prime (9686958467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843479213 + 4843479214.

It is an arithmetic number, because the mean of its divisors is an integer number (4843479214).

Almost surely, 2^9686958427 is an apocalyptic number.

9686958427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9686958427 is an equidigital number, since it uses as much as digits as its factorization.

9686958427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 64.

The square root of 9686958427 is about 98422.3471931045. The cubic root of 9686958427 is about 2131.7150203210.

The spelling of 9686958427 in words is "nine billion, six hundred eighty-six million, nine hundred fifty-eight thousand, four hundred twenty-seven".