2391659141 has 2 divisors, whose sum is σ = 2391659142. Its totient is φ = 2391659140.

The previous prime is 2391659131. The next prime is 2391659173. The reversal of 2391659141 is 1419561932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1719760900 + 671898241 = 41470^2 + 25921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2391659141 - 2³⁰ = 1317917317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391659131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195829570 + 1195829571.

It is an arithmetic number, because the mean of its divisors is an integer number (1195829571).

Almost surely, 2^2391659141 is an apocalyptic number.

It is an amenable number.

2391659141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391659141 is an equidigital number, since it uses as much as digits as its factorization.

2391659141 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2391659141 is about 48904.5922281333. The cubic root of 2391659141 is about 1337.3130871772.

The spelling of 2391659141 in words is "two billion, three hundred ninety-one million, six hundred fifty-nine thousand, one hundred forty-one".