32013440513 has 4 divisors (see below), whose sum is σ = 32451980868. Its totient is φ = 31574900160.

The previous prime is 32013440509. The next prime is 32013440519. The reversal of 32013440513 is 31504431023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8499364864 + 23514075649 = 92192^2 + 153343^2 .

It is a cyclic number.

It is not a de Polignac number, because 32013440513 - 2² = 32013440509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32013440519) 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, 219270068 + ... + 219270213.

It is an arithmetic number, because the mean of its divisors is an integer number (8112995217).

Almost surely, 2^32013440513 is an apocalyptic number.

It is an amenable number.

32013440513 is a deficient number, since it is larger than the sum of its proper divisors (438540355).

32013440513 is an equidigital number, since it uses as much as digits as its factorization.

32013440513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438540354.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 32013440513 its reverse (31504431023), we get a palindrome (63517871536).

The spelling of 32013440513 in words is "thirty-two billion, thirteen million, four hundred forty thousand, five hundred thirteen".