338772813229 has 2 divisors, whose sum is σ = 338772813230. Its totient is φ = 338772813228.

The previous prime is 338772813199. The next prime is 338772813241. The reversal of 338772813229 is 922318277833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292683164004 + 46089649225 = 541002^2 + 214685^2 .

It is a cyclic number.

It is not a de Polignac number, because 338772813229 - 2¹⁵ = 338772780461 is a prime.

It is a super-2 number, since 2×338772813229² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338772813229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338772813329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169386406614 + 169386406615.

It is an arithmetic number, because the mean of its divisors is an integer number (169386406615).

Almost surely, 2^338772813229 is an apocalyptic number.

It is an amenable number.

338772813229 is a deficient number, since it is larger than the sum of its proper divisors (1).

338772813229 is an equidigital number, since it uses as much as digits as its factorization.

338772813229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The spelling of 338772813229 in words is "three hundred thirty-eight billion, seven hundred seventy-two million, eight hundred thirteen thousand, two hundred twenty-nine".