2221999999963 has 2 divisors, whose sum is σ = 2221999999964. Its totient is φ = 2221999999962.

The previous prime is 2221999999931. The next prime is 2222000000021. The reversal of 2221999999963 is 3699999991222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221999999963 - 2⁵ = 2221999999931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221999999913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110999999981 + 1110999999982.

It is an arithmetic number, because the mean of its divisors is an integer number (1110999999982).

Almost surely, 2^{2221999999963} is an apocalyptic number.

2221999999963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221999999963 is an equidigital number, since it uses as much as digits as its factorization.

2221999999963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688747536, while the sum is 79.

The spelling of 2221999999963 in words is "two trillion, two hundred twenty-one billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred sixty-three".