42530795369 has 4 divisors (see below), whose sum is σ = 42531289680. Its totient is φ = 42530301060.

The previous prime is 42530795339. The next prime is 42530795387. The reversal of 42530795369 is 96359703524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42530795369 - 2¹² = 42530791273 is a prime.

It is a super-2 number, since 2×42530795369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42530795369.

It is not an unprimeable number, because it can be changed into a prime (42530795339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80747 + ... + 302624.

It is an arithmetic number, because the mean of its divisors is an integer number (10632822420).

Almost surely, 2^42530795369 is an apocalyptic number.

It is an amenable number.

42530795369 is a deficient number, since it is larger than the sum of its proper divisors (494311).

42530795369 is a wasteful number, since it uses less digits than its factorization.

42530795369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494310.

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 42530795369 in words is "forty-two billion, five hundred thirty million, seven hundred ninety-five thousand, three hundred sixty-nine".