2268001691 has 8 divisors (see below), whose sum is σ = 2333894640. Its totient is φ = 2202350688.

The previous prime is 2268001679. The next prime is 2268001711. The reversal of 2268001691 is 1961008622.

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 2268001691 - 2²² = 2263807387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2268001601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41381 + ... + 79046.

It is an arithmetic number, because the mean of its divisors is an integer number (291736830).

Almost surely, 2^2268001691 is an apocalyptic number.

2268001691 is a deficient number, since it is larger than the sum of its proper divisors (65892949).

2268001691 is a wasteful number, since it uses less digits than its factorization.

2268001691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120973.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2268001691 is about 47623.5413529905. The cubic root of 2268001691 is about 1313.8560684992.

The spelling of 2268001691 in words is "two billion, two hundred sixty-eight million, one thousand, six hundred ninety-one".