213024414457 has 2 divisors, whose sum is σ = 213024414458.
Its totient is φ = 213024414456.
The previous prime is 213024414413. The next prime is 213024414461. The reversal of 213024414457 is 754414420312.
Adding to 213024414457 its reverse (754414420312), we get a palindrome (967438834769).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 195389636841 + 17634777616 = 442029^2 + 132796^2
It is a cyclic number.
It is not a de Polignac number, because 213024414457 - 27 = 213024414329 is a prime.
It is not a weakly prime, because it can be changed into another prime (213024414467) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512207228 + 106512207229.
It is an arithmetic number, because the mean of its divisors is an integer number (106512207229).
Almost surely, 2213024414457 is an apocalyptic number.
It is an amenable number.
213024414457 is a deficient number, since it is larger than the sum of its proper divisors (1).
213024414457 is an equidigital number, since it uses as much as digits as its factorization.
213024414457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 107520, while the sum is 37.
The spelling of 213024414457 in words is "two hundred thirteen billion, twenty-four million, four hundred fourteen thousand, four hundred fifty-seven".