42452885641 has 4 divisors (see below), whose sum is σ = 42476459284. Its totient is φ = 42429312000.

The previous prime is 42452885627. The next prime is 42452885659. The reversal of 42452885641 is 14658825424.

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 8686985616 + 33765900025 = 93204^2 + 183755^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452885641 - 2⁵ = 42452885609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11784120 + ... + 11787721.

It is an arithmetic number, because the mean of its divisors is an integer number (10619114821).

Almost surely, 2^42452885641 is an apocalyptic number.

It is an amenable number.

42452885641 is a deficient number, since it is larger than the sum of its proper divisors (23573643).

42452885641 is a wasteful number, since it uses less digits than its factorization.

42452885641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23573642.

The product of its digits is 2457600, while the sum is 49.

The spelling of 42452885641 in words is "forty-two billion, four hundred fifty-two million, eight hundred eighty-five thousand, six hundred forty-one".