609647604543 has 8 divisors (see below), whose sum is σ = 903181636400. Its totient is φ = 406431736344.

The previous prime is 609647604499. The next prime is 609647604581. The reversal of 609647604543 is 345406746906.

It is a happy number.

609647604543 is a `hidden beast` number, since 6 + 0 + 96 + 4 + 7 + 6 + 0 + 4 + 543 = 666.

It is not a de Polignac number, because 609647604543 - 2²² = 609643410239 is a prime.

It is a super-2 number, since 2×609647604543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 609647604543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609647608543) 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 7 ways as a sum of consecutive naturals, for example, 11289770428 + ... + 11289770481.

It is an arithmetic number, because the mean of its divisors is an integer number (112897704550).

Almost surely, 2^609647604543 is an apocalyptic number.

609647604543 is a deficient number, since it is larger than the sum of its proper divisors (293534031857).

609647604543 is a wasteful number, since it uses less digits than its factorization.

609647604543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22579540918 (or 22579540912 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 609647604543 in words is "six hundred nine billion, six hundred forty-seven million, six hundred four thousand, five hundred forty-three".