211677229963 has 2 divisors, whose sum is σ = 211677229964. Its totient is φ = 211677229962.

The previous prime is 211677229877. The next prime is 211677230047. The reversal of 211677229963 is 369922776112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211677229963 is a prime.

It is not a weakly prime, because it can be changed into another prime (211677226963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105838614981 + 105838614982.

It is an arithmetic number, because the mean of its divisors is an integer number (105838614982).

Almost surely, 2^211677229963 is an apocalyptic number.

211677229963 is a deficient number, since it is larger than the sum of its proper divisors (1).

211677229963 is an equidigital number, since it uses as much as digits as its factorization.

211677229963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The spelling of 211677229963 in words is "two hundred eleven billion, six hundred seventy-seven million, two hundred twenty-nine thousand, nine hundred sixty-three".