3886504722981 has 24 divisors (see below), whose sum is σ = 5786324544000. Its totient is φ = 2512274619456.

The previous prime is 3886504722953. The next prime is 3886504723009. The reversal of 3886504722981 is 1892274056883.

3886504722981 is a `hidden beast` number, since 3 + 8 + 8 + 65 + 0 + 472 + 29 + 81 = 666.

3886504722981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3886504722953) and next prime (3886504723009).

It is not a de Polignac number, because 3886504722981 - 2⁶ = 3886504722917 is a prime.

It is a super-2 number, since 2×3886504722981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886504722941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36598981 + ... + 36705018.

It is an arithmetic number, because the mean of its divisors is an integer number (241096856000).

It is a 1-persistent number, because it is pandigital, but 2⋅3886504722981 = 7773009445962 is not.

Almost surely, 2^{3886504722981} is an apocalyptic number.

It is an amenable number.

3886504722981 is a deficient number, since it is larger than the sum of its proper divisors (1899819821019).

3886504722981 is a wasteful number, since it uses less digits than its factorization.

3886504722981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73304185 (or 73304182 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 3886504722981 in words is "three trillion, eight hundred eighty-six billion, five hundred four million, seven hundred twenty-two thousand, nine hundred eighty-one".