32249871136609 has 27 divisors (see below), whose sum is σ = 38238842826387. Its totient is φ = 27119413614384.

The previous prime is 32249871136583. The next prime is 32249871136631. The reversal of 32249871136609 is 90663117894223.

It is a happy number.

The square root of 32249871136609 is 5678897.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23248839107025 + 9001032029584 = 4821705^2 + 3000172^2 .

It is not a de Polignac number, because 32249871136609 - 2⁹ = 32249871136097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32249871136699) 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 26 ways as a sum of consecutive naturals, for example, 2106863134 + ... + 2106878440.

Almost surely, 2^{32249871136609} is an apocalyptic number.

32249871136609 is the 5678897-th square number.

32249871136609 is the 2839449-th centered octagonal number.

It is an amenable number.

32249871136609 is a deficient number, since it is larger than the sum of its proper divisors (5988971689778).

32249871136609 is an frugal number, since it uses more digits than its factorization.

32249871136609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30734 (or 15367 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 32249871136609 in words is "thirty-two trillion, two hundred forty-nine billion, eight hundred seventy-one million, one hundred thirty-six thousand, six hundred nine".