345213685355 has 32 divisors (see below), whose sum is σ = 524184168960. Its totient is φ = 211986213120.

The previous prime is 345213685351. The next prime is 345213685391. The reversal of 345213685355 is 553586312543.

It is not a de Polignac number, because 345213685355 - 2² = 345213685351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345213685351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6665690 + ... + 6717279.

It is an arithmetic number, because the mean of its divisors is an integer number (16380755280).

Almost surely, 2^345213685355 is an apocalyptic number.

345213685355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345213685355 is a deficient number, since it is larger than the sum of its proper divisors (178970483605).

345213685355 is a wasteful number, since it uses less digits than its factorization.

345213685355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13383059.

The product of its digits is 6480000, while the sum is 50.

Adding to 345213685355 its reverse (553586312543), we get a palindrome (898799997898).

The spelling of 345213685355 in words is "three hundred forty-five billion, two hundred thirteen million, six hundred eighty-five thousand, three hundred fifty-five".