2204937491 has 2 divisors, whose sum is σ = 2204937492. Its totient is φ = 2204937490.

The previous prime is 2204937463. The next prime is 2204937499. The reversal of 2204937491 is 1947394022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2204937491 - 2¹⁴ = 2204921107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2204937499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102468745 + 1102468746.

It is an arithmetic number, because the mean of its divisors is an integer number (1102468746).

Almost surely, 2^2204937491 is an apocalyptic number.

2204937491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204937491 is an equidigital number, since it uses as much as digits as its factorization.

2204937491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2204937491 is about 46956.7619305250. The cubic root of 2204937491 is about 1301.5636984380.

The spelling of 2204937491 in words is "two billion, two hundred four million, nine hundred thirty-seven thousand, four hundred ninety-one".