42570026613181 has 2 divisors, whose sum is σ = 42570026613182. Its totient is φ = 42570026613180.

The previous prime is 42570026613137. The next prime is 42570026613193. The reversal of 42570026613181 is 18131662007524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21735092492281 + 20834934120900 = 4662091^2 + 4564530^2 .

It is a cyclic number.

It is not a de Polignac number, because 42570026613181 - 2²⁷ = 42569892395453 is a prime.

It is a super-4 number, since 4×42570026613181⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42570026643181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21285013306590 + 21285013306591.

It is an arithmetic number, because the mean of its divisors is an integer number (21285013306591).

Almost surely, 2^{42570026613181} is an apocalyptic number.

It is an amenable number.

42570026613181 is a deficient number, since it is larger than the sum of its proper divisors (1).

42570026613181 is an equidigital number, since it uses as much as digits as its factorization.

42570026613181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 42570026613181 in words is "forty-two trillion, five hundred seventy billion, twenty-six million, six hundred thirteen thousand, one hundred eighty-one".