1494139046423 has 2 divisors, whose sum is σ = 1494139046424. Its totient is φ = 1494139046422.

The previous prime is 1494139046377. The next prime is 1494139046437. The reversal of 1494139046423 is 3246409314941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494139046423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494139046123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747069523211 + 747069523212.

It is an arithmetic number, because the mean of its divisors is an integer number (747069523212).

Almost surely, 2^{1494139046423} is an apocalyptic number.

1494139046423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494139046423 is an equidigital number, since it uses as much as digits as its factorization.

1494139046423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 1494139046423 in words is "one trillion, four hundred ninety-four billion, one hundred thirty-nine million, forty-six thousand, four hundred twenty-three".