213444452471 has 2 divisors, whose sum is σ = 213444452472. Its totient is φ = 213444452470.

The previous prime is 213444452413. The next prime is 213444452483. The reversal of 213444452471 is 174254444312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213444452471 - 2³⁴ = 196264583287 is a prime.

It is a super-3 number, since 3×213444452471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213444452401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106722226235 + 106722226236.

It is an arithmetic number, because the mean of its divisors is an integer number (106722226236).

Almost surely, 2^213444452471 is an apocalyptic number.

213444452471 is a deficient number, since it is larger than the sum of its proper divisors (1).

213444452471 is an equidigital number, since it uses as much as digits as its factorization.

213444452471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 41.

Adding to 213444452471 its reverse (174254444312), we get a palindrome (387698896783).

The spelling of 213444452471 in words is "two hundred thirteen billion, four hundred forty-four million, four hundred fifty-two thousand, four hundred seventy-one".