42361332553 has 4 divisors (see below), whose sum is σ = 43394535828. Its totient is φ = 41328129280.

The previous prime is 42361332529. The next prime is 42361332557. The reversal of 42361332553 is 35523316324.

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 2599776144 + 39761556409 = 50988^2 + 199403^2 .

It is a cyclic number.

It is not a de Polignac number, because 42361332553 - 2¹⁷ = 42361201481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42361332557) 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, 516601576 + ... + 516601657.

It is an arithmetic number, because the mean of its divisors is an integer number (10848633957).

Almost surely, 2^42361332553 is an apocalyptic number.

It is an amenable number.

42361332553 is a deficient number, since it is larger than the sum of its proper divisors (1033203275).

42361332553 is a wasteful number, since it uses less digits than its factorization.

42361332553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033203274.

The product of its digits is 194400, while the sum is 37.

Adding to 42361332553 its reverse (35523316324), we get a palindrome (77884648877).

The spelling of 42361332553 in words is "forty-two billion, three hundred sixty-one million, three hundred thirty-two thousand, five hundred fifty-three".