211934329699 has 2 divisors, whose sum is σ = 211934329700. Its totient is φ = 211934329698.

The previous prime is 211934329669. The next prime is 211934329727. The reversal of 211934329699 is 996923439112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211934329699 - 2⁷ = 211934329571 is a prime.

It is not a weakly prime, because it can be changed into another prime (211934329609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105967164849 + 105967164850.

It is an arithmetic number, because the mean of its divisors is an integer number (105967164850).

Almost surely, 2^211934329699 is an apocalyptic number.

211934329699 is a deficient number, since it is larger than the sum of its proper divisors (1).

211934329699 is an equidigital number, since it uses as much as digits as its factorization.

211934329699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5668704, while the sum is 58.

The spelling of 211934329699 in words is "two hundred eleven billion, nine hundred thirty-four million, three hundred twenty-nine thousand, six hundred ninety-nine".