3109658391847 has 6 divisors (see below), whose sum is σ = 3553900637064. Its totient is φ = 2665417479660.

The previous prime is 3109658391823. The next prime is 3109658391881. The reversal of 3109658391847 is 7481938569013.

3109658391847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3109658391847 - 2¹⁹ = 3109657867559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109658391887) 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 5 ways as a sum of consecutive naturals, for example, 4332322 + ... + 4998832.

It is an arithmetic number, because the mean of its divisors is an integer number (592316772844).

Almost surely, 2^{3109658391847} is an apocalyptic number.

3109658391847 is a deficient number, since it is larger than the sum of its proper divisors (444242245217).

3109658391847 is an frugal number, since it uses more digits than its factorization.

3109658391847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333029 (or 666518 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 3109658391847 in words is "three trillion, one hundred nine billion, six hundred fifty-eight million, three hundred ninety-one thousand, eight hundred forty-seven".