228352819993 has 2 divisors, whose sum is σ = 228352819994. Its totient is φ = 228352819992.

The previous prime is 228352819973. The next prime is 228352820021. The reversal of 228352819993 is 399918253822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128653494489 + 99699325504 = 358683^2 + 315752^2 .

It is a cyclic number.

It is not a de Polignac number, because 228352819993 - 2³⁷ = 90913866521 is a prime.

It is not a weakly prime, because it can be changed into another prime (228352819913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114176409996 + 114176409997.

It is an arithmetic number, because the mean of its divisors is an integer number (114176409997).

Almost surely, 2^228352819993 is an apocalyptic number.

It is an amenable number.

228352819993 is a deficient number, since it is larger than the sum of its proper divisors (1).

228352819993 is an equidigital number, since it uses as much as digits as its factorization.

228352819993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 61.

The spelling of 228352819993 in words is "two hundred twenty-eight billion, three hundred fifty-two million, eight hundred nineteen thousand, nine hundred ninety-three".