38180240369 has 2 divisors, whose sum is σ = 38180240370. Its totient is φ = 38180240368.

The previous prime is 38180240353. The next prime is 38180240387. The reversal of 38180240369 is 96304208183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37689174769 + 491065600 = 194137^2 + 22160^2 .

It is an emirp because it is prime and its reverse (96304208183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38180240369 - 2⁴ = 38180240353 is a prime.

It is a super-2 number, since 2×38180240369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38180240309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19090120184 + 19090120185.

It is an arithmetic number, because the mean of its divisors is an integer number (19090120185).

Almost surely, 2^38180240369 is an apocalyptic number.

It is an amenable number.

38180240369 is a deficient number, since it is larger than the sum of its proper divisors (1).

38180240369 is an equidigital number, since it uses as much as digits as its factorization.

38180240369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 38180240369 in words is "thirty-eight billion, one hundred eighty million, two hundred forty thousand, three hundred sixty-nine".