8149990042093 has 2 divisors, whose sum is σ = 8149990042094. Its totient is φ = 8149990042092.

The previous prime is 8149990042087. The next prime is 8149990042097. The reversal of 8149990042093 is 3902400999418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7021132666564 + 1128857375529 = 2649742^2 + 1062477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8149990042093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8149990042097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074995021046 + 4074995021047.

It is an arithmetic number, because the mean of its divisors is an integer number (4074995021047).

Almost surely, 2^{8149990042093} is an apocalyptic number.

It is an amenable number.

8149990042093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8149990042093 is an equidigital number, since it uses as much as digits as its factorization.

8149990042093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 8149990042093 in words is "eight trillion, one hundred forty-nine billion, nine hundred ninety million, forty-two thousand, ninety-three".