38355371869 has 8 divisors (see below), whose sum is σ = 38896693112. Its totient is φ = 37814480640.

The previous prime is 38355371867. The next prime is 38355371881. The reversal of 38355371869 is 96817355383.

38355371869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2456490969 + 35898880900 = 49563^2 + 189470^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38355371869 - 2¹ = 38355371867 is a prime.

It is a super-2 number, since 2×38355371869² (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 (38355371861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74299 + ... + 286759.

It is an arithmetic number, because the mean of its divisors is an integer number (4862086639).

Almost surely, 2^38355371869 is an apocalyptic number.

It is an amenable number.

38355371869 is a deficient number, since it is larger than the sum of its proper divisors (541321243).

38355371869 is a wasteful number, since it uses less digits than its factorization.

38355371869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215007.

The product of its digits is 16329600, while the sum is 58.

The spelling of 38355371869 in words is "thirty-eight billion, three hundred fifty-five million, three hundred seventy-one thousand, eight hundred sixty-nine".