32452720213 has 16 divisors (see below), whose sum is σ = 32789156400. Its totient is φ = 32118718464.

The previous prime is 32452720199. The next prime is 32452720217. The reversal of 32452720213 is 31202725423.

It can be written as a sum of positive squares in 8 ways, for example, as 147331044 + 32305389169 = 12138^2 + 179737^2 .

It is a cyclic number.

It is not a de Polignac number, because 32452720213 - 2²¹ = 32450623061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32452720217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48220645 + ... + 48221317.

It is an arithmetic number, because the mean of its divisors is an integer number (2049322275).

Almost surely, 2^32452720213 is an apocalyptic number.

It is an amenable number.

32452720213 is a deficient number, since it is larger than the sum of its proper divisors (336436187).

32452720213 is a wasteful number, since it uses less digits than its factorization.

32452720213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 32452720213 in words is "thirty-two billion, four hundred fifty-two million, seven hundred twenty thousand, two hundred thirteen".