345421504435 has 32 divisors (see below), whose sum is σ = 477563184000. Its totient is φ = 234945681408.

The previous prime is 345421504433. The next prime is 345421504451. The reversal of 345421504435 is 534405124543.

It is a cyclic number.

It is not a de Polignac number, because 345421504435 - 2¹ = 345421504433 is a prime.

It is a super-2 number, since 2×345421504435² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345421504433) 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 31 ways as a sum of consecutive naturals, for example, 2555941 + ... + 2687689.

It is an arithmetic number, because the mean of its divisors is an integer number (14923849500).

Almost surely, 2^345421504435 is an apocalyptic number.

345421504435 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345421504435 is a deficient number, since it is larger than the sum of its proper divisors (132141679565).

345421504435 is a wasteful number, since it uses less digits than its factorization.

345421504435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132367.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 345421504435 its reverse (534405124543), we get a palindrome (879826628978).

The spelling of 345421504435 in words is "three hundred forty-five billion, four hundred twenty-one million, five hundred four thousand, four hundred thirty-five".