63174221213 has 2 divisors, whose sum is σ = 63174221214. Its totient is φ = 63174221212.

The previous prime is 63174221197. The next prime is 63174221219. The reversal of 63174221213 is 31212247136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51959834809 + 11214386404 = 227947^2 + 105898^2 .

It is a cyclic number.

It is not a de Polignac number, because 63174221213 - 2⁴ = 63174221197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63174221213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63174221219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31587110606 + 31587110607.

It is an arithmetic number, because the mean of its divisors is an integer number (31587110607).

Almost surely, 2^63174221213 is an apocalyptic number.

It is an amenable number.

63174221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

63174221213 is an equidigital number, since it uses as much as digits as its factorization.

63174221213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

Adding to 63174221213 its reverse (31212247136), we get a palindrome (94386468349).

The spelling of 63174221213 in words is "sixty-three billion, one hundred seventy-four million, two hundred twenty-one thousand, two hundred thirteen".