1494816162649 has 2 divisors, whose sum is σ = 1494816162650. Its totient is φ = 1494816162648.

The previous prime is 1494816162643. The next prime is 1494816162689. The reversal of 1494816162649 is 9462616184941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962635699600 + 532180463049 = 981140^2 + 729507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494816162649 - 2⁹ = 1494816162137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1494816162643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747408081324 + 747408081325.

It is an arithmetic number, because the mean of its divisors is an integer number (747408081325).

Almost surely, 2^{1494816162649} is an apocalyptic number.

It is an amenable number.

1494816162649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494816162649 is an equidigital number, since it uses as much as digits as its factorization.

1494816162649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 61.

The spelling of 1494816162649 in words is "one trillion, four hundred ninety-four billion, eight hundred sixteen million, one hundred sixty-two thousand, six hundred forty-nine".