42464626642177 has 2 divisors, whose sum is σ = 42464626642178. Its totient is φ = 42464626642176.

The previous prime is 42464626642133. The next prime is 42464626642223. The reversal of 42464626642177 is 77124662646424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39089117032641 + 3375509609536 = 6252129^2 + 1837256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42464626642177 is a prime.

It is not a weakly prime, because it can be changed into another prime (42464626642117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21232313321088 + 21232313321089.

It is an arithmetic number, because the mean of its divisors is an integer number (21232313321089).

Almost surely, 2^{42464626642177} is an apocalyptic number.

It is an amenable number.

42464626642177 is a deficient number, since it is larger than the sum of its proper divisors (1).

42464626642177 is an equidigital number, since it uses as much as digits as its factorization.

42464626642177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130056192, while the sum is 61.

The spelling of 42464626642177 in words is "forty-two trillion, four hundred sixty-four billion, six hundred twenty-six million, six hundred forty-two thousand, one hundred seventy-seven".