1363344853 has 4 divisors (see below), whose sum is σ = 1468217548. Its totient is φ = 1258472160.

The previous prime is 1363344739. The next prime is 1363344881. The reversal of 1363344853 is 3584433631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524547409 + 838797444 = 22903^2 + 28962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363344853 - 2¹⁷ = 1363213781 is a prime.

It is the 36924-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363344253) by changing a digit.

It is a nontrivial repunit in base 36923.

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 in 3 ways as a sum of consecutive naturals, for example, 52436328 + ... + 52436353.

It is an arithmetic number, because the mean of its divisors is an integer number (367054387).

Almost surely, 2^1363344853 is an apocalyptic number.

1363344853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1363344853 is a deficient number, since it is larger than the sum of its proper divisors (104872695).

1363344853 is a wasteful number, since it uses less digits than its factorization.

1363344853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104872694.

The product of its digits is 311040, while the sum is 40.

The square root of 1363344853 is about 36923.5000101561. The cubic root of 1363344853 is about 1108.8392088309.

The spelling of 1363344853 in words is "one billion, three hundred sixty-three million, three hundred forty-four thousand, eight hundred fifty-three".