2291341657 has 8 divisors (see below), whose sum is σ = 2580279552. Its totient is φ = 2015842800.

The previous prime is 2291341631. The next prime is 2291341699. The reversal of 2291341657 is 7561431922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2291341657 - 2⁷ = 2291341529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291341057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359398 + ... + 3360079.

It is an arithmetic number, because the mean of its divisors is an integer number (322534944).

Almost surely, 2^2291341657 is an apocalyptic number.

It is an amenable number.

2291341657 is a deficient number, since it is larger than the sum of its proper divisors (288937895).

2291341657 is a wasteful number, since it uses less digits than its factorization.

2291341657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719519.

The product of its digits is 90720, while the sum is 40.

The square root of 2291341657 is about 47867.9606521941. The cubic root of 2291341657 is about 1318.3476526082.

The spelling of 2291341657 in words is "two billion, two hundred ninety-one million, three hundred forty-one thousand, six hundred fifty-seven".