954135691 has 2 divisors, whose sum is σ = 954135692. Its totient is φ = 954135690.

The previous prime is 954135661. The next prime is 954135697. The reversal of 954135691 is 196531459.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 954135691 - 2¹⁹ = 953611403 is a prime.

It is not a weakly prime, because it can be changed into another prime (954135697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477067845 + 477067846.

It is an arithmetic number, because the mean of its divisors is an integer number (477067846).

Almost surely, 2^954135691 is an apocalyptic number.

954135691 is a deficient number, since it is larger than the sum of its proper divisors (1).

954135691 is an equidigital number, since it uses as much as digits as its factorization.

954135691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 954135691 is about 30889.0869240254. The cubic root of 954135691 is about 984.4720270813.

The spelling of 954135691 in words is "nine hundred fifty-four million, one hundred thirty-five thousand, six hundred ninety-one".