42651590017 has 2 divisors, whose sum is σ = 42651590018. Its totient is φ = 42651590016.

The previous prime is 42651589999. The next prime is 42651590027. The reversal of 42651590017 is 71009515624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42026640016 + 624950001 = 205004^2 + 24999^2 .

It is a cyclic number.

It is not a de Polignac number, because 42651590017 - 2⁷ = 42651589889 is a prime.

It is not a weakly prime, because it can be changed into another prime (42651590027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325795008 + 21325795009.

It is an arithmetic number, because the mean of its divisors is an integer number (21325795009).

Almost surely, 2^42651590017 is an apocalyptic number.

It is an amenable number.

42651590017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42651590017 is an equidigital number, since it uses as much as digits as its factorization.

42651590017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 42651590017 in words is "forty-two billion, six hundred fifty-one million, five hundred ninety thousand, seventeen".