3873537131761 has 16 divisors (see below), whose sum is σ = 4244812545600. Its totient is φ = 3505455950400.

The previous prime is 3873537131759. The next prime is 3873537131773. The reversal of 3873537131761 is 1671317353783.

It is a cyclic number.

It is not a de Polignac number, because 3873537131761 - 2¹ = 3873537131759 is a prime.

It is a super-2 number, since 2×3873537131761² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3873537131161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15948171 + ... + 16189231.

It is an arithmetic number, because the mean of its divisors is an integer number (265300784100).

Almost surely, 2^{3873537131761} is an apocalyptic number.

It is an amenable number.

3873537131761 is a deficient number, since it is larger than the sum of its proper divisors (371275413839).

3873537131761 is a wasteful number, since it uses less digits than its factorization.

3873537131761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247680.

The product of its digits is 6667920, while the sum is 55.

The spelling of 3873537131761 in words is "three trillion, eight hundred seventy-three billion, five hundred thirty-seven million, one hundred thirty-one thousand, seven hundred sixty-one".