1353566131643 has 4 divisors (see below), whose sum is σ = 1476617598168. Its totient is φ = 1230514665120.

The previous prime is 1353566131613. The next prime is 1353566131679. The reversal of 1353566131643 is 3461316653531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353566131643 - 2¹⁰ = 1353566130619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353566131613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61525733246 + ... + 61525733267.

It is an arithmetic number, because the mean of its divisors is an integer number (369154399542).

Almost surely, 2^{1353566131643} is an apocalyptic number.

1353566131643 is a deficient number, since it is larger than the sum of its proper divisors (123051466525).

1353566131643 is a wasteful number, since it uses less digits than its factorization.

1353566131643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123051466524.

The product of its digits is 1749600, while the sum is 47.

The spelling of 1353566131643 in words is "one trillion, three hundred fifty-three billion, five hundred sixty-six million, one hundred thirty-one thousand, six hundred forty-three".