1398504253417 has 2 divisors, whose sum is σ = 1398504253418. Its totient is φ = 1398504253416.

The previous prime is 1398504253373. The next prime is 1398504253441. The reversal of 1398504253417 is 7143524058931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209606232041 + 188898021376 = 1099821^2 + 434624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1398504253417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1398504253477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699252126708 + 699252126709.

It is an arithmetic number, because the mean of its divisors is an integer number (699252126709).

Almost surely, 2^{1398504253417} is an apocalyptic number.

It is an amenable number.

1398504253417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398504253417 is an equidigital number, since it uses as much as digits as its factorization.

1398504253417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1398504253417 in words is "one trillion, three hundred ninety-eight billion, five hundred four million, two hundred fifty-three thousand, four hundred seventeen".