42262385861 has 4 divisors (see below), whose sum is σ = 42397409772. Its totient is φ = 42127361952.

The previous prime is 42262385833. The next prime is 42262385863. The reversal of 42262385861 is 16858326224.

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 18060672100 + 24201713761 = 134390^2 + 155569^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262385861 - 2¹⁴ = 42262369477 is a prime.

It is a super-2 number, since 2×42262385861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42262385863) 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 in 3 ways as a sum of consecutive naturals, for example, 67511486 + ... + 67512111.

It is an arithmetic number, because the mean of its divisors is an integer number (10599352443).

Almost surely, 2^42262385861 is an apocalyptic number.

It is an amenable number.

42262385861 is a deficient number, since it is larger than the sum of its proper divisors (135023911).

42262385861 is a wasteful number, since it uses less digits than its factorization.

42262385861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135023910.

The product of its digits is 1105920, while the sum is 47.

The spelling of 42262385861 in words is "forty-two billion, two hundred sixty-two million, three hundred eighty-five thousand, eight hundred sixty-one".