1398504253459 has 2 divisors, whose sum is σ = 1398504253460. Its totient is φ = 1398504253458.

The previous prime is 1398504253453. The next prime is 1398504253477. The reversal of 1398504253459 is 9543524058931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1398504253459 - 2⁷ = 1398504253331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1398504253453) 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, 699252126729 + 699252126730.

It is an arithmetic number, because the mean of its divisors is an integer number (699252126730).

Almost surely, 2^{1398504253459} is an apocalyptic number.

1398504253459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398504253459 is an equidigital number, since it uses as much as digits as its factorization.

1398504253459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 1398504253459 in words is "one trillion, three hundred ninety-eight billion, five hundred four million, two hundred fifty-three thousand, four hundred fifty-nine".