1363864543 has 8 divisors (see below), whose sum is σ = 1373515776. Its totient is φ = 1354243800.

The previous prime is 1363864531. The next prime is 1363864573. The reversal of 1363864543 is 3454683631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1363864543 - 2²¹ = 1361767391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1363864543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363864573) 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 in 7 ways as a sum of consecutive naturals, for example, 86178 + ... + 100768.

It is an arithmetic number, because the mean of its divisors is an integer number (171689472).

Almost surely, 2^1363864543 is an apocalyptic number.

1363864543 is a deficient number, since it is larger than the sum of its proper divisors (9651233).

1363864543 is a wasteful number, since it uses less digits than its factorization.

1363864543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245.

The product of its digits is 622080, while the sum is 43.

The square root of 1363864543 is about 36930.5367277542. The cubic root of 1363864543 is about 1108.9800828102.

The spelling of 1363864543 in words is "one billion, three hundred sixty-three million, eight hundred sixty-four thousand, five hundred forty-three".