345404535543 has 6 divisors (see below), whose sum is σ = 498917662464. Its totient is φ = 230269690356.

The previous prime is 345404535533. The next prime is 345404535589. The reversal of 345404535543 is 345535404543.

345404535543 is a `hidden beast` number, since 3 + 4 + 5 + 40 + 4 + 53 + 554 + 3 = 666.

It is not a de Polignac number, because 345404535543 - 2⁶ = 345404535479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345404535533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19189140855 + ... + 19189140872.

It is an arithmetic number, because the mean of its divisors is an integer number (83152943744).

Almost surely, 2^345404535543 is an apocalyptic number.

345404535543 is a deficient number, since it is larger than the sum of its proper divisors (153513126921).

345404535543 is a wasteful number, since it uses less digits than its factorization.

345404535543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38378281733 (or 38378281730 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 45.

The spelling of 345404535543 in words is "three hundred forty-five billion, four hundred four million, five hundred thirty-five thousand, five hundred forty-three".