38321424565 has 24 divisors (see below), whose sum is σ = 48898381320. Its totient is φ = 28830676992.

The previous prime is 38321424527. The next prime is 38321424569. The reversal of 38321424565 is 56542412383.

It can be written as a sum of positive squares in 12 ways, for example, as 8952376689 + 29369047876 = 94617^2 + 171374^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38321424565 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38321424569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30681061 + ... + 30682309.

It is an arithmetic number, because the mean of its divisors is an integer number (2037432555).

Almost surely, 2^38321424565 is an apocalyptic number.

It is an amenable number.

38321424565 is a deficient number, since it is larger than the sum of its proper divisors (10576956755).

38321424565 is an frugal number, since it uses more digits than its factorization.

38321424565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554 (or 1271 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 38321424565 in words is "thirty-eight billion, three hundred twenty-one million, four hundred twenty-four thousand, five hundred sixty-five".