42516273235613 has 2 divisors, whose sum is σ = 42516273235614. Its totient is φ = 42516273235612.

The previous prime is 42516273235591. The next prime is 42516273235627. The reversal of 42516273235613 is 31653237261524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31429624201369 + 11086649034244 = 5606213^2 + 3329662^2 .

It is a cyclic number.

It is not a de Polignac number, because 42516273235613 - 2⁸ = 42516273235357 is a prime.

It is a super-2 number, since 2×42516273235613² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42516273235013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21258136617806 + 21258136617807.

It is an arithmetic number, because the mean of its divisors is an integer number (21258136617807).

Almost surely, 2^{42516273235613} is an apocalyptic number.

It is an amenable number.

42516273235613 is a deficient number, since it is larger than the sum of its proper divisors (1).

42516273235613 is an equidigital number, since it uses as much as digits as its factorization.

42516273235613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 50.

The spelling of 42516273235613 in words is "forty-two trillion, five hundred sixteen billion, two hundred seventy-three million, two hundred thirty-five thousand, six hundred thirteen".