2331617009 has 2 divisors, whose sum is σ = 2331617010. Its totient is φ = 2331617008.

The previous prime is 2331616961. The next prime is 2331617021. The reversal of 2331617009 is 9007161332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1660807009 + 670810000 = 40753^2 + 25900^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331617009 - 2¹⁶ = 2331551473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2331614009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165808504 + 1165808505.

It is an arithmetic number, because the mean of its divisors is an integer number (1165808505).

Almost surely, 2^2331617009 is an apocalyptic number.

It is an amenable number.

2331617009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331617009 is an equidigital number, since it uses as much as digits as its factorization.

2331617009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2331617009 is about 48286.8202411383. The cubic root of 2331617009 is about 1326.0271155903.

The spelling of 2331617009 in words is "two billion, three hundred thirty-one million, six hundred seventeen thousand, nine".