1363854503491 has 2 divisors, whose sum is σ = 1363854503492. Its totient is φ = 1363854503490.

The previous prime is 1363854503399. The next prime is 1363854503527. The reversal of 1363854503491 is 1943054583631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1363854503491 - 2¹³ = 1363854495299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363854501491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681927251745 + 681927251746.

It is an arithmetic number, because the mean of its divisors is an integer number (681927251746).

Almost surely, 2^{1363854503491} is an apocalyptic number.

1363854503491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363854503491 is an equidigital number, since it uses as much as digits as its factorization.

1363854503491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 1363854503491 in words is "one trillion, three hundred sixty-three billion, eight hundred fifty-four million, five hundred three thousand, four hundred ninety-one".