1494543792169 has 2 divisors, whose sum is σ = 1494543792170. Its totient is φ = 1494543792168.

The previous prime is 1494543792143. The next prime is 1494543792199. The reversal of 1494543792169 is 9612973454941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1490323340944 + 4220451225 = 1220788^2 + 64965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494543792169 - 2¹¹ = 1494543790121 is a prime.

It is a super-2 number, since 2×1494543792169² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1494543792169.

It is not a weakly prime, because it can be changed into another prime (1494543792199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747271896084 + 747271896085.

It is an arithmetic number, because the mean of its divisors is an integer number (747271896085).

Almost surely, 2^{1494543792169} is an apocalyptic number.

It is an amenable number.

1494543792169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494543792169 is an equidigital number, since it uses as much as digits as its factorization.

1494543792169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 64.

The spelling of 1494543792169 in words is "one trillion, four hundred ninety-four billion, five hundred forty-three million, seven hundred ninety-two thousand, one hundred sixty-nine".