32237540813 has 2 divisors, whose sum is σ = 32237540814. Its totient is φ = 32237540812.

The previous prime is 32237540789. The next prime is 32237540833. The reversal of 32237540813 is 31804573223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19938287209 + 12299253604 = 141203^2 + 110902^2 .

It is a cyclic number.

It is not a de Polignac number, because 32237540813 - 2¹⁸ = 32237278669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32237540833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16118770406 + 16118770407.

It is an arithmetic number, because the mean of its divisors is an integer number (16118770407).

Almost surely, 2^32237540813 is an apocalyptic number.

It is an amenable number.

32237540813 is a deficient number, since it is larger than the sum of its proper divisors (1).

32237540813 is an equidigital number, since it uses as much as digits as its factorization.

32237540813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 32237540813 in words is "thirty-two billion, two hundred thirty-seven million, five hundred forty thousand, eight hundred thirteen".