1489467938837 has 2 divisors, whose sum is σ = 1489467938838. Its totient is φ = 1489467938836.

The previous prime is 1489467938789. The next prime is 1489467938839. The reversal of 1489467938837 is 7388397649841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345196350276 + 144271588561 = 1159826^2 + 379831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489467938837 is a prime.

Together with 1489467938839, 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 (1489467938839) 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, 744733969418 + 744733969419.

It is an arithmetic number, because the mean of its divisors is an integer number (744733969419).

Almost surely, 2^{1489467938837} is an apocalyptic number.

It is an amenable number.

1489467938837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489467938837 is an equidigital number, since it uses as much as digits as its factorization.

1489467938837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1755758592, while the sum is 77.

The spelling of 1489467938837 in words is "one trillion, four hundred eighty-nine billion, four hundred sixty-seven million, nine hundred thirty-eight thousand, eight hundred thirty-seven".