1293077066819 has 2 divisors, whose sum is σ = 1293077066820. Its totient is φ = 1293077066818.

The previous prime is 1293077066803. The next prime is 1293077066861. The reversal of 1293077066819 is 9186607703921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1293077066819 - 2⁴ = 1293077066803 is a prime.

It is a super-2 number, since 2×1293077066819² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1293077066899) 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, 646538533409 + 646538533410.

It is an arithmetic number, because the mean of its divisors is an integer number (646538533410).

Almost surely, 2^{1293077066819} is an apocalyptic number.

1293077066819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293077066819 is an equidigital number, since it uses as much as digits as its factorization.

1293077066819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 1293077066819 in words is "one trillion, two hundred ninety-three billion, seventy-seven million, sixty-six thousand, eight hundred nineteen".