42601769879017 has 2 divisors, whose sum is σ = 42601769879018. Its totient is φ = 42601769879016.

The previous prime is 42601769878961. The next prime is 42601769879021. The reversal of 42601769879017 is 71097896710624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35402309600256 + 7199460278761 = 5949984^2 + 2683181^2 .

It is a cyclic number.

It is not a de Polignac number, because 42601769879017 - 2¹¹ = 42601769876969 is a prime.

It is not a weakly prime, because it can be changed into another prime (42601769879117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21300884939508 + 21300884939509.

It is an arithmetic number, because the mean of its divisors is an integer number (21300884939509).

Almost surely, 2^{42601769879017} is an apocalyptic number.

It is an amenable number.

42601769879017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42601769879017 is an equidigital number, since it uses as much as digits as its factorization.

42601769879017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 67.

The spelling of 42601769879017 in words is "forty-two trillion, six hundred one billion, seven hundred sixty-nine million, eight hundred seventy-nine thousand, seventeen".