1363546993 has 2 divisors, whose sum is σ = 1363546994. Its totient is φ = 1363546992.

The previous prime is 1363546981. The next prime is 1363547021. The reversal of 1363546993 is 3996453631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964226704 + 399320289 = 31052^2 + 19983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363546993 - 2²⁵ = 1329992561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363546193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681773496 + 681773497.

It is an arithmetic number, because the mean of its divisors is an integer number (681773497).

Almost surely, 2^1363546993 is an apocalyptic number.

It is an amenable number.

1363546993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363546993 is an equidigital number, since it uses as much as digits as its factorization.

1363546993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 49.

The square root of 1363546993 is about 36926.2371898356. The cubic root of 1363546993 is about 1108.8940078009.

The spelling of 1363546993 in words is "one billion, three hundred sixty-three million, five hundred forty-six thousand, nine hundred ninety-three".