211404032297 has 2 divisors, whose sum is σ = 211404032298. Its totient is φ = 211404032296.

The previous prime is 211404032263. The next prime is 211404032327. The reversal of 211404032297 is 792230404112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108889440256 + 102514592041 = 329984^2 + 320179^2 .

It is a cyclic number.

It is not a de Polignac number, because 211404032297 - 2⁸ = 211404032041 is a prime.

It is not a weakly prime, because it can be changed into another prime (211404032237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105702016148 + 105702016149.

It is an arithmetic number, because the mean of its divisors is an integer number (105702016149).

Almost surely, 2^211404032297 is an apocalyptic number.

It is an amenable number.

211404032297 is a deficient number, since it is larger than the sum of its proper divisors (1).

211404032297 is an equidigital number, since it uses as much as digits as its factorization.

211404032297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 211404032297 in words is "two hundred eleven billion, four hundred four million, thirty-two thousand, two hundred ninety-seven".