211450211408441 has 2 divisors, whose sum is σ = 211450211408442. Its totient is φ = 211450211408440.

The previous prime is 211450211408431. The next prime is 211450211408483. The reversal of 211450211408441 is 144804112054112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210923948214841 + 526263193600 = 14523221^2 + 725440^2 .

It is a cyclic number.

It is not a de Polignac number, because 211450211408441 - 2²² = 211450207214137 is a prime.

It is a super-2 number, since 2×211450211408441² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211450211408395 and 211450211408404.

It is not a weakly prime, because it can be changed into another prime (211450211408411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105725105704220 + 105725105704221.

It is an arithmetic number, because the mean of its divisors is an integer number (105725105704221).

Almost surely, 2^{211450211408441} is an apocalyptic number.

It is an amenable number.

211450211408441 is a deficient number, since it is larger than the sum of its proper divisors (1).

211450211408441 is an equidigital number, since it uses as much as digits as its factorization.

211450211408441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40960, while the sum is 38.

The spelling of 211450211408441 in words is "two hundred eleven trillion, four hundred fifty billion, two hundred eleven million, four hundred eight thousand, four hundred forty-one".