3161901728927 has 2 divisors, whose sum is σ = 3161901728928. Its totient is φ = 3161901728926.

The previous prime is 3161901728897. The next prime is 3161901728939. The reversal of 3161901728927 is 7298271091613.

It is a strong prime.

It is an emirp because it is prime and its reverse (7298271091613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3161901728927 - 2¹⁶ = 3161901663391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161901728327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580950864463 + 1580950864464.

It is an arithmetic number, because the mean of its divisors is an integer number (1580950864464).

Almost surely, 2^{3161901728927} is an apocalyptic number.

3161901728927 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161901728927 is an equidigital number, since it uses as much as digits as its factorization.

3161901728927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 3161901728927 in words is "three trillion, one hundred sixty-one billion, nine hundred one million, seven hundred twenty-eight thousand, nine hundred twenty-seven".