2239993963 has 2 divisors, whose sum is σ = 2239993964. Its totient is φ = 2239993962.

The previous prime is 2239993907. The next prime is 2239993979. The reversal of 2239993963 is 3693999322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2239993963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2239993663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119996981 + 1119996982.

It is an arithmetic number, because the mean of its divisors is an integer number (1119996982).

Almost surely, 2^2239993963 is an apocalyptic number.

2239993963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239993963 is an equidigital number, since it uses as much as digits as its factorization.

2239993963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4251528, while the sum is 55.

The square root of 2239993963 is about 47328.5744873010. The cubic root of 2239993963 is about 1308.4253486323.

The spelling of 2239993963 in words is "two billion, two hundred thirty-nine million, nine hundred ninety-three thousand, nine hundred sixty-three".