3257397941847 has 16 divisors (see below), whose sum is σ = 4963778291712. Its totient is φ = 1861323645600.

The previous prime is 3257397941773. The next prime is 3257397941893. The reversal of 3257397941847 is 7481497937523.

3257397941847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3257397941847 - 2¹⁹ = 3257397417559 is a prime.

It is a super-2 number, since 2×3257397941847² (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 (3257397941647) 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, 1074279 + ... + 2769272.

It is an arithmetic number, because the mean of its divisors is an integer number (310236143232).

Almost surely, 2^{3257397941847} is an apocalyptic number.

3257397941847 is a deficient number, since it is larger than the sum of its proper divisors (1706380349865).

3257397941847 is a wasteful number, since it uses less digits than its factorization.

3257397941847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883918.

The product of its digits is 320060160, while the sum is 69.

The spelling of 3257397941847 in words is "three trillion, two hundred fifty-seven billion, three hundred ninety-seven million, nine hundred forty-one thousand, eight hundred forty-seven".