8149990042793 has 2 divisors, whose sum is σ = 8149990042794. Its totient is φ = 8149990042792.

The previous prime is 8149990042697. The next prime is 8149990042853. The reversal of 8149990042793 is 3972400999418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5850651491344 + 2299338551449 = 2418812^2 + 1516357^2 .

It is a cyclic number.

It is not a de Polignac number, because 8149990042793 - 2¹⁶ = 8149989977257 is a prime.

It is not a weakly prime, because it can be changed into another prime (8149990042093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074995021396 + 4074995021397.

It is an arithmetic number, because the mean of its divisors is an integer number (4074995021397).

Almost surely, 2^{8149990042793} is an apocalyptic number.

It is an amenable number.

8149990042793 is a deficient number, since it is larger than the sum of its proper divisors (1).

8149990042793 is an equidigital number, since it uses as much as digits as its factorization.

8149990042793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 8149990042793 in words is "eight trillion, one hundred forty-nine billion, nine hundred ninety million, forty-two thousand, seven hundred ninety-three".