1498225278989 has 2 divisors, whose sum is σ = 1498225278990. Its totient is φ = 1498225278988.

The previous prime is 1498225278973. The next prime is 1498225279009. The reversal of 1498225278989 is 9898725228941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830804905225 + 667420373764 = 911485^2 + 816958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1498225278989 - 2⁴ = 1498225278973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1498225278919) 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, 749112639494 + 749112639495.

It is an arithmetic number, because the mean of its divisors is an integer number (749112639495).

Almost surely, 2^{1498225278989} is an apocalyptic number.

It is an amenable number.

1498225278989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498225278989 is an equidigital number, since it uses as much as digits as its factorization.

1498225278989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 418037760, while the sum is 74.

The spelling of 1498225278989 in words is "one trillion, four hundred ninety-eight billion, two hundred twenty-five million, two hundred seventy-eight thousand, nine hundred eighty-nine".