36561545636473 has 16 divisors (see below), whose sum is σ = 43178311314432. Its totient is φ = 30520383696000.

The previous prime is 36561545636467. The next prime is 36561545636491. The reversal of 36561545636473 is 37463654516563.

It is a de Polignac number, because none of the positive numbers 2^k-36561545636473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36561545936473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669279348 + ... + 669333973.

It is an arithmetic number, because the mean of its divisors is an integer number (2698644457152).

Almost surely, 2^{36561545636473} is an apocalyptic number.

It is an amenable number.

36561545636473 is a deficient number, since it is larger than the sum of its proper divisors (6616765677959).

36561545636473 is a wasteful number, since it uses less digits than its factorization.

36561545636473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338613536.

The product of its digits is 489888000, while the sum is 64.

The spelling of 36561545636473 in words is "thirty-six trillion, five hundred sixty-one billion, five hundred forty-five million, six hundred thirty-six thousand, four hundred seventy-three".