2243504691 has 12 divisors (see below), whose sum is σ = 3279662568. Its totient is φ = 1477649184.

The previous prime is 2243504687. The next prime is 2243504713. The reversal of 2243504691 is 1964053422.

It is a happy number.

2243504691 is a `hidden beast` number, since 22 + 43 + 504 + 6 + 91 = 666.

It is not a de Polignac number, because 2243504691 - 2² = 2243504687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243504611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500930 + ... + 1502423.

It is an arithmetic number, because the mean of its divisors is an integer number (273305214).

Almost surely, 2^2243504691 is an apocalyptic number.

2243504691 is a deficient number, since it is larger than the sum of its proper divisors (1036157877).

2243504691 is a wasteful number, since it uses less digits than its factorization.

2243504691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003442 (or 3003439 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2243504691 is about 47365.6488501952. The cubic root of 2243504691 is about 1309.1085540143.

The spelling of 2243504691 in words is "two billion, two hundred forty-three million, five hundred four thousand, six hundred ninety-one".