223137687487613 has 2 divisors, whose sum is σ = 223137687487614. Its totient is φ = 223137687487612.

The previous prime is 223137687487579. The next prime is 223137687487657. The reversal of 223137687487613 is 316784786731322.

223137687487613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220030882899844 + 3106804587769 = 14833438^2 + 1762613^2 .

It is a cyclic number.

It is not a de Polignac number, because 223137687487613 - 2¹⁶ = 223137687422077 is a prime.

It is a super-3 number, since 3×223137687487613³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223137687487513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111568843743806 + 111568843743807.

It is an arithmetic number, because the mean of its divisors is an integer number (111568843743807).

Almost surely, 2^{223137687487613} is an apocalyptic number.

It is an amenable number.

223137687487613 is a deficient number, since it is larger than the sum of its proper divisors (1).

223137687487613 is an equidigital number, since it uses as much as digits as its factorization.

223137687487613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 341397504, while the sum is 68.

The spelling of 223137687487613 in words is "two hundred twenty-three trillion, one hundred thirty-seven billion, six hundred eighty-seven million, four hundred eighty-seven thousand, six hundred thirteen".