3247136389081 has 16 divisors (see below), whose sum is σ = 3546057916800. Its totient is φ = 2955422752128.

The previous prime is 3247136389073. The next prime is 3247136389087. The reversal of 3247136389081 is 1809836317423.

3247136389081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3247136389081 - 2³ = 3247136389073 is a prime.

It is a super-2 number, since 2×3247136389081² (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 (3247136389087) 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, 3493431 + ... + 4324156.

It is an arithmetic number, because the mean of its divisors is an integer number (221628619800).

Almost surely, 2^{3247136389081} is an apocalyptic number.

It is an amenable number.

3247136389081 is a deficient number, since it is larger than the sum of its proper divisors (298921527719).

3247136389081 is a wasteful number, since it uses less digits than its factorization.

3247136389081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818048.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 3247136389081 in words is "three trillion, two hundred forty-seven billion, one hundred thirty-six million, three hundred eighty-nine thousand, eighty-one".