38083647381 has 16 divisors (see below), whose sum is σ = 54713084160. Its totient is φ = 23423716800.

The previous prime is 38083647341. The next prime is 38083647389. The reversal of 38083647381 is 18374638083.

It is not a de Polignac number, because 38083647381 - 2¹⁸ = 38083385237 is a prime.

It is a super-2 number, since 2×38083647381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38083647389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182701 + ... + 330978.

It is an arithmetic number, because the mean of its divisors is an integer number (3419567760).

Almost surely, 2^38083647381 is an apocalyptic number.

It is an amenable number.

38083647381 is a deficient number, since it is larger than the sum of its proper divisors (16629436779).

38083647381 is a wasteful number, since it uses less digits than its factorization.

38083647381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515596.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 38083647381 in words is "thirty-eight billion, eighty-three million, six hundred forty-seven thousand, three hundred eighty-one".