1363646345 has 8 divisors (see below), whose sum is σ = 1637645064. Its totient is φ = 1090070784.

The previous prime is 1363646329. The next prime is 1363646357. The reversal of 1363646345 is 5436463631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 389707081 + 973939264 = 19741^2 + 31208^2 .

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 1363646345 - 2⁴ = 1363646329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98654 + ... + 111623.

It is an arithmetic number, because the mean of its divisors is an integer number (204705633).

Almost surely, 2^1363646345 is an apocalyptic number.

It is an amenable number.

1363646345 is a deficient number, since it is larger than the sum of its proper divisors (273998719).

1363646345 is a wasteful number, since it uses less digits than its factorization.

1363646345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211579.

The product of its digits is 466560, while the sum is 41.

The square root of 1363646345 is about 36927.5824418550. The cubic root of 1363646345 is about 1108.9209395611.

The spelling of 1363646345 in words is "one billion, three hundred sixty-three million, six hundred forty-six thousand, three hundred forty-five".