553351221013 has 2 divisors, whose sum is σ = 553351221014. Its totient is φ = 553351221012.

The previous prime is 553351220977. The next prime is 553351221037. The reversal of 553351221013 is 310122153355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408834917604 + 144516303409 = 639402^2 + 380153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553351221013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553351221613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276675610506 + 276675610507.

It is an arithmetic number, because the mean of its divisors is an integer number (276675610507).

Almost surely, 2^553351221013 is an apocalyptic number.

It is an amenable number.

553351221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

553351221013 is an equidigital number, since it uses as much as digits as its factorization.

553351221013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 553351221013 its reverse (310122153355), we get a palindrome (863473374368).

The spelling of 553351221013 in words is "five hundred fifty-three billion, three hundred fifty-one million, two hundred twenty-one thousand, thirteen".