8139348719941 has 2 divisors, whose sum is σ = 8139348719942. Its totient is φ = 8139348719940.

The previous prime is 8139348719903. The next prime is 8139348720023. The reversal of 8139348719941 is 1499178439318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6245270894916 + 1894077825025 = 2499054^2 + 1376255^2 .

It is a cyclic number.

It is not a de Polignac number, because 8139348719941 - 2⁹ = 8139348719429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8139348719041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069674359970 + 4069674359971.

It is an arithmetic number, because the mean of its divisors is an integer number (4069674359971).

Almost surely, 2^{8139348719941} is an apocalyptic number.

It is an amenable number.

8139348719941 is a deficient number, since it is larger than the sum of its proper divisors (1).

8139348719941 is an equidigital number, since it uses as much as digits as its factorization.

8139348719941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 67.

The spelling of 8139348719941 in words is "eight trillion, one hundred thirty-nine billion, three hundred forty-eight million, seven hundred nineteen thousand, nine hundred forty-one".