1363503445 has 12 divisors (see below), whose sum is σ = 1738114884. Its totient is φ = 1026636800.

The previous prime is 1363503443. The next prime is 1363503467. The reversal of 1363503445 is 5443053631.

It can be written as a sum of positive squares in 6 ways, for example, as 269361 + 1363234084 = 519^2 + 36922^2 .

It is not a de Polignac number, because 1363503445 - 2¹ = 1363503443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1363503445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363503443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470356 + ... + 473245.

It is an arithmetic number, because the mean of its divisors is an integer number (144842907).

Almost surely, 2^1363503445 is an apocalyptic number.

It is an amenable number.

1363503445 is a deficient number, since it is larger than the sum of its proper divisors (374611439).

1363503445 is an equidigital number, since it uses as much as digits as its factorization.

1363503445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943640 (or 943623 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 1363503445 is about 36925.6475230970. The cubic root of 1363503445 is about 1108.8822026509.

The spelling of 1363503445 in words is "one billion, three hundred sixty-three million, five hundred three thousand, four hundred forty-five".