211362342641 has 2 divisors, whose sum is σ = 211362342642. Its totient is φ = 211362342640.

The previous prime is 211362342629. The next prime is 211362342739. The reversal of 211362342641 is 146243263112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200879654416 + 10482688225 = 448196^2 + 102385^2 .

It is a cyclic number.

It is not a de Polignac number, because 211362342641 - 2⁶ = 211362342577 is a prime.

It is not a weakly prime, because it can be changed into another prime (211362342601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105681171320 + 105681171321.

It is an arithmetic number, because the mean of its divisors is an integer number (105681171321).

Almost surely, 2^211362342641 is an apocalyptic number.

It is an amenable number.

211362342641 is a deficient number, since it is larger than the sum of its proper divisors (1).

211362342641 is an equidigital number, since it uses as much as digits as its factorization.

211362342641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 211362342641 in words is "two hundred eleven billion, three hundred sixty-two million, three hundred forty-two thousand, six hundred forty-one".