213024420073 has 2 divisors, whose sum is σ = 213024420074. Its totient is φ = 213024420072.

The previous prime is 213024420047. The next prime is 213024420101. The reversal of 213024420073 is 370024420312.

It is an a-pointer prime, because the next prime (213024420101) can be obtained adding 213024420073 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212827214224 + 197205849 = 461332^2 + 14043^2 .

It is a cyclic number.

It is not a de Polignac number, because 213024420073 - 2¹³ = 213024411881 is a prime.

It is not a weakly prime, because it can be changed into another prime (213024420023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512210036 + 106512210037.

It is an arithmetic number, because the mean of its divisors is an integer number (106512210037).

Almost surely, 2^213024420073 is an apocalyptic number.

It is an amenable number.

213024420073 is a deficient number, since it is larger than the sum of its proper divisors (1).

213024420073 is an equidigital number, since it uses as much as digits as its factorization.

213024420073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 213024420073 its reverse (370024420312), we get a palindrome (583048840385).

The spelling of 213024420073 in words is "two hundred thirteen billion, twenty-four million, four hundred twenty thousand, seventy-three".