32513453545 has 12 divisors (see below), whose sum is σ = 40786256196. Its totient is φ = 24879858080.

The previous prime is 32513453521. The next prime is 32513453549. The reversal of 32513453545 is 54535431523.

It can be written as a sum of positive squares in 2 ways, for example, as 25361199504 + 7152254041 = 159252^2 + 84571^2 .

It is not a de Polignac number, because 32513453545 - 2⁷ = 32513453417 is a prime.

It is a super-2 number, since 2×32513453545² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32513453498 and 32513453507.

It is not an unprimeable number, because it can be changed into a prime (32513453549) 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 11 ways as a sum of consecutive naturals, for example, 6143566 + ... + 6148855.

It is an arithmetic number, because the mean of its divisors is an integer number (3398854683).

Almost surely, 2^32513453545 is an apocalyptic number.

It is an amenable number.

32513453545 is a deficient number, since it is larger than the sum of its proper divisors (8272802651).

32513453545 is a wasteful number, since it uses less digits than its factorization.

32513453545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12292472 (or 12292449 counting only the distinct ones).

The product of its digits is 540000, while the sum is 40.

The spelling of 32513453545 in words is "thirty-two billion, five hundred thirteen million, four hundred fifty-three thousand, five hundred forty-five".