13332520237 has 2 divisors, whose sum is σ = 13332520238. Its totient is φ = 13332520236.

The previous prime is 13332520217. The next prime is 13332520277. The reversal of 13332520237 is 73202523331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13046436841 + 286083396 = 114221^2 + 16914^2 .

It is a cyclic number.

It is not a de Polignac number, because 13332520237 - 2⁷ = 13332520109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13332520199 and 13332520208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13332520217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666260118 + 6666260119.

It is an arithmetic number, because the mean of its divisors is an integer number (6666260119).

Almost surely, 2^13332520237 is an apocalyptic number.

It is an amenable number.

13332520237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13332520237 is an equidigital number, since it uses as much as digits as its factorization.

13332520237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 31.

The spelling of 13332520237 in words is "thirteen billion, three hundred thirty-two million, five hundred twenty thousand, two hundred thirty-seven".