42700641017 has 2 divisors, whose sum is σ = 42700641018. Its totient is φ = 42700641016.

The previous prime is 42700640959. The next prime is 42700641047. The reversal of 42700641017 is 71014600724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42602611216 + 98029801 = 206404^2 + 9901^2 .

It is a cyclic number.

It is not a de Polignac number, because 42700641017 - 2¹² = 42700636921 is a prime.

It is not a weakly prime, because it can be changed into another prime (42700641047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21350320508 + 21350320509.

It is an arithmetic number, because the mean of its divisors is an integer number (21350320509).

Almost surely, 2^42700641017 is an apocalyptic number.

It is an amenable number.

42700641017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42700641017 is an equidigital number, since it uses as much as digits as its factorization.

42700641017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 42700641017 in words is "forty-two billion, seven hundred million, six hundred forty-one thousand, seventeen".