38180282869 has 4 divisors (see below), whose sum is σ = 39212182444. Its totient is φ = 37148383296.

The previous prime is 38180282867. The next prime is 38180282929. The reversal of 38180282869 is 96828208183.

It is a happy number.

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 13383481969 + 24796800900 = 115687^2 + 157470^2 .

It is a cyclic number.

It is not a de Polignac number, because 38180282869 - 2¹ = 38180282867 is a prime.

It is a super-2 number, since 2×38180282869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38180282867) 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, 515949732 + ... + 515949805.

It is an arithmetic number, because the mean of its divisors is an integer number (9803045611).

Almost surely, 2^38180282869 is an apocalyptic number.

It is an amenable number.

38180282869 is a deficient number, since it is larger than the sum of its proper divisors (1031899575).

38180282869 is a wasteful number, since it uses less digits than its factorization.

38180282869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031899574.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 38180282869 in words is "thirty-eight billion, one hundred eighty million, two hundred eighty-two thousand, eight hundred sixty-nine".