42688570201 has 4 divisors (see below), whose sum is σ = 42696859572. Its totient is φ = 42680280832.

The previous prime is 42688570159. The next prime is 42688570229. The reversal of 42688570201 is 10207588624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24056320201 + 18632250000 = 155101^2 + 136500^2 .

It is a cyclic number.

It is not a de Polignac number, because 42688570201 - 2¹⁵ = 42688537433 is a prime.

It is a super-3 number, since 3×42688570201³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42688570601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4136956 + ... + 4147261.

It is an arithmetic number, because the mean of its divisors is an integer number (10674214893).

Almost surely, 2^42688570201 is an apocalyptic number.

It is an amenable number.

42688570201 is a deficient number, since it is larger than the sum of its proper divisors (8289371).

42688570201 is an equidigital number, since it uses as much as digits as its factorization.

42688570201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289370.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 42688570201 in words is "forty-two billion, six hundred eighty-eight million, five hundred seventy thousand, two hundred one".