2243676971 has 4 divisors (see below), whose sum is σ = 2244958632. Its totient is φ = 2242395312.

The previous prime is 2243676823. The next prime is 2243676977. The reversal of 2243676971 is 1796763422.

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 2243676971 - 2³⁰ = 1169935147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243676977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638201 + ... + 641706.

It is an arithmetic number, because the mean of its divisors is an integer number (561239658).

Almost surely, 2^2243676971 is an apocalyptic number.

2243676971 is a deficient number, since it is larger than the sum of its proper divisors (1281661).

2243676971 is a wasteful number, since it uses less digits than its factorization.

2243676971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281660.

The product of its digits is 762048, while the sum is 47.

The square root of 2243676971 is about 47367.4674328278. The cubic root of 2243676971 is about 1309.1420622199.

The spelling of 2243676971 in words is "two billion, two hundred forty-three million, six hundred seventy-six thousand, nine hundred seventy-one".