3561647525343 has 24 divisors (see below), whose sum is σ = 5335881013008. Its totient is φ = 2374103136384.

The previous prime is 3561647525329. The next prime is 3561647525351. The reversal of 3561647525343 is 3435257461653.

3561647525343 is a `hidden beast` number, since 3 + 5 + 6 + 16 + 47 + 52 + 534 + 3 = 666.

It is not a de Polignac number, because 3561647525343 - 2⁴ = 3561647525327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3561647525343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561647525323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752071 + ... + 2772887.

It is an arithmetic number, because the mean of its divisors is an integer number (222328375542).

Almost surely, 2^{3561647525343} is an apocalyptic number.

3561647525343 is a deficient number, since it is larger than the sum of its proper divisors (1774233487665).

3561647525343 is an equidigital number, since it uses as much as digits as its factorization.

3561647525343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028085 (or 2028073 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 54.

The spelling of 3561647525343 in words is "three trillion, five hundred sixty-one billion, six hundred forty-seven million, five hundred twenty-five thousand, three hundred forty-three".