32513961289 has 2 divisors, whose sum is σ = 32513961290. Its totient is φ = 32513961288.

The previous prime is 32513961283. The next prime is 32513961343. The reversal of 32513961289 is 98216931523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18621331600 + 13892629689 = 136460^2 + 117867^2 .

It is a cyclic number.

It is not a de Polignac number, because 32513961289 - 2¹³ = 32513953097 is a prime.

It is not a weakly prime, because it can be changed into another prime (32513961283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256980644 + 16256980645.

It is an arithmetic number, because the mean of its divisors is an integer number (16256980645).

Almost surely, 2^32513961289 is an apocalyptic number.

It is an amenable number.

32513961289 is a deficient number, since it is larger than the sum of its proper divisors (1).

32513961289 is an equidigital number, since it uses as much as digits as its factorization.

32513961289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The spelling of 32513961289 in words is "thirty-two billion, five hundred thirteen million, nine hundred sixty-one thousand, two hundred eighty-nine".