38041771849 has 3 divisors (see below), whose sum is σ = 38041966893. Its totient is φ = 38041576806.

The previous prime is 38041771837. The next prime is 38041771903. The reversal of 38041771849 is 94817714083.

The square root of 38041771849 is 195043.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94817714083 = 23857 ⋅3974419.

It is not a de Polignac number, because 38041771849 - 2¹³ = 38041763657 is a prime.

It is a super-2 number, since 2×38041771849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38041771796 and 38041771805.

It is not an unprimeable number, because it can be changed into a prime (38041771819) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 97522 + ... + 292564.

It is an arithmetic number, because the mean of its divisors is an integer number (12680655631).

Almost surely, 2^38041771849 is an apocalyptic number.

38041771849 is the 195043-rd square number.

38041771849 is the 97522-nd centered octagonal number.

It is an amenable number.

38041771849 is a deficient number, since it is larger than the sum of its proper divisors (195044).

38041771849 is an frugal number, since it uses more digits than its factorization.

38041771849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390086 (or 195043 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 38041771849 in words is "thirty-eight billion, forty-one million, seven hundred seventy-one thousand, eight hundred forty-nine".