354450623213 has 2 divisors, whose sum is σ = 354450623214. Its totient is φ = 354450623212.

The previous prime is 354450623159. The next prime is 354450623269. The reversal of 354450623213 is 312326054453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323394667684 + 31055955529 = 568678^2 + 176227^2 .

It is a cyclic number.

It is not a de Polignac number, because 354450623213 - 2⁸ = 354450622957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354480623213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177225311606 + 177225311607.

It is an arithmetic number, because the mean of its divisors is an integer number (177225311607).

Almost surely, 2^354450623213 is an apocalyptic number.

It is an amenable number.

354450623213 is a deficient number, since it is larger than the sum of its proper divisors (1).

354450623213 is an equidigital number, since it uses as much as digits as its factorization.

354450623213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 354450623213 its reverse (312326054453), we get a palindrome (666776677666).

The spelling of 354450623213 in words is "three hundred fifty-four billion, four hundred fifty million, six hundred twenty-three thousand, two hundred thirteen".