345436405242213 has 16 divisors (see below), whose sum is σ = 475440182438400. Its totient is φ = 222861808343040.

The previous prime is 345436405242179. The next prime is 345436405242217. The reversal of 345436405242213 is 312242504634543.

It is a happy number.

It is not a de Polignac number, because 345436405242213 - 2⁸ = 345436405241957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345436405242217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56224873 + ... + 62065361.

It is an arithmetic number, because the mean of its divisors is an integer number (29715011402400).

Almost surely, 2^{345436405242213} is an apocalyptic number.

It is an amenable number.

345436405242213 is a deficient number, since it is larger than the sum of its proper divisors (130003777196187).

345436405242213 is a wasteful number, since it uses less digits than its factorization.

345436405242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476492.

The product of its (nonzero) digits is 8294400, while the sum is 48.

Adding to 345436405242213 its reverse (312242504634543), we get a palindrome (657678909876756).

The spelling of 345436405242213 in words is "three hundred forty-five trillion, four hundred thirty-six billion, four hundred five million, two hundred forty-two thousand, two hundred thirteen".