3481032256681 has 4 divisors (see below), whose sum is σ = 3978322579072. Its totient is φ = 2983741934292.

The previous prime is 3481032256621. The next prime is 3481032256699. The reversal of 3481032256681 is 1866522301843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3481032256681 - 2⁷ = 3481032256553 is a prime.

It is a super-2 number, since 2×3481032256681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3481032256601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248645161185 + ... + 248645161198.

It is an arithmetic number, because the mean of its divisors is an integer number (994580644768).

Almost surely, 2^{3481032256681} is an apocalyptic number.

It is an amenable number.

3481032256681 is a deficient number, since it is larger than the sum of its proper divisors (497290322391).

3481032256681 is an equidigital number, since it uses as much as digits as its factorization.

3481032256681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497290322390.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 3481032256681 in words is "three trillion, four hundred eighty-one billion, thirty-two million, two hundred fifty-six thousand, six hundred eighty-one".