211422403963 has 2 divisors, whose sum is σ = 211422403964. Its totient is φ = 211422403962.

The previous prime is 211422403931. The next prime is 211422404003. The reversal of 211422403963 is 369304224112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211422403963 - 2⁵ = 211422403931 is a prime.

It is not a weakly prime, because it can be changed into another prime (211422403163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105711201981 + 105711201982.

It is an arithmetic number, because the mean of its divisors is an integer number (105711201982).

Almost surely, 2^211422403963 is an apocalyptic number.

211422403963 is a deficient number, since it is larger than the sum of its proper divisors (1).

211422403963 is an equidigital number, since it uses as much as digits as its factorization.

211422403963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 211422403963 in words is "two hundred eleven billion, four hundred twenty-two million, four hundred three thousand, nine hundred sixty-three".