2267491943 has 4 divisors (see below), whose sum is σ = 2400873840. Its totient is φ = 2134110048.

The previous prime is 2267491927. The next prime is 2267492021. The reversal of 2267491943 is 3491947622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2267491943 - 2⁴ = 2267491927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2267491843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66690923 + ... + 66690956.

It is an arithmetic number, because the mean of its divisors is an integer number (600218460).

Almost surely, 2^2267491943 is an apocalyptic number.

2267491943 is a deficient number, since it is larger than the sum of its proper divisors (133381897).

2267491943 is a wasteful number, since it uses less digits than its factorization.

2267491943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133381896.

The product of its digits is 653184, while the sum is 47.

The square root of 2267491943 is about 47618.1892032866. The cubic root of 2267491943 is about 1313.7576285836.

The spelling of 2267491943 in words is "two billion, two hundred sixty-seven million, four hundred ninety-one thousand, nine hundred forty-three".