3252009661991 has 4 divisors (see below), whose sum is σ = 3263749769352. Its totient is φ = 3240269554632.

The previous prime is 3252009661933. The next prime is 3252009662053. The reversal of 3252009661991 is 1991669002523.

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 3252009661991 - 2²⁶ = 3251942553127 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 (3252009661091) 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 3 ways as a sum of consecutive naturals, for example, 5870053265 + ... + 5870053818.

It is an arithmetic number, because the mean of its divisors is an integer number (815937442338).

Almost surely, 2^{3252009661991} is an apocalyptic number.

3252009661991 is a deficient number, since it is larger than the sum of its proper divisors (11740107361).

3252009661991 is a wasteful number, since it uses less digits than its factorization.

3252009661991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740107360.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 3252009661991 in words is "three trillion, two hundred fifty-two billion, nine million, six hundred sixty-one thousand, nine hundred ninety-one".