9612135149 has 2 divisors, whose sum is σ = 9612135150. Its totient is φ = 9612135148.

The previous prime is 9612135107. The next prime is 9612135217. The reversal of 9612135149 is 9415312169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6774442249 + 2837692900 = 82307^2 + 53270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9612135149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9612135649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806067574 + 4806067575.

It is an arithmetic number, because the mean of its divisors is an integer number (4806067575).

Almost surely, 2^9612135149 is an apocalyptic number.

It is an amenable number.

9612135149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9612135149 is an equidigital number, since it uses as much as digits as its factorization.

9612135149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 9612135149 is about 98041.4970764931. The cubic root of 9612135149 is about 2126.2122835206.

The spelling of 9612135149 in words is "nine billion, six hundred twelve million, one hundred thirty-five thousand, one hundred forty-nine".