1494536889551 has 2 divisors, whose sum is σ = 1494536889552. Its totient is φ = 1494536889550.

The previous prime is 1494536889533. The next prime is 1494536889553. The reversal of 1494536889551 is 1559886354941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494536889551 is a prime.

Together with 1494536889553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494536889553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747268444775 + 747268444776.

It is an arithmetic number, because the mean of its divisors is an integer number (747268444776).

Almost surely, 2^{1494536889551} is an apocalyptic number.

1494536889551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494536889551 is an equidigital number, since it uses as much as digits as its factorization.

1494536889551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624000, while the sum is 68.

The spelling of 1494536889551 in words is "one trillion, four hundred ninety-four billion, five hundred thirty-six million, eight hundred eighty-nine thousand, five hundred fifty-one".