2291319769 has 8 divisors (see below), whose sum is σ = 2320269120. Its totient is φ = 2262499536.

The previous prime is 2291319761. The next prime is 2291319773. The reversal of 2291319769 is 9679131922.

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 2291319769 - 2³ = 2291319761 is a prime.

It is a super-2 number, since 2×2291319769² = 10500292567620426722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291319761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3687 + ... + 67795.

It is an arithmetic number, because the mean of its divisors is an integer number (290033640).

Almost surely, 2^2291319769 is an apocalyptic number.

It is an amenable number.

2291319769 is a deficient number, since it is larger than the sum of its proper divisors (28949351).

2291319769 is a wasteful number, since it uses less digits than its factorization.

2291319769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64559.

The product of its digits is 367416, while the sum is 49.

The square root of 2291319769 is about 47867.7320227311. The cubic root of 2291319769 is about 1318.3434547641.

The spelling of 2291319769 in words is "two billion, two hundred ninety-one million, three hundred nineteen thousand, seven hundred sixty-nine".