1361446663 has 4 divisors (see below), whose sum is σ = 1368574848. Its totient is φ = 1354318480.

The previous prime is 1361446661. The next prime is 1361446703. The reversal of 1361446663 is 3666441631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361446663 - 2¹ = 1361446661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361446661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563806 + ... + 3564187.

It is an arithmetic number, because the mean of its divisors is an integer number (342143712).

Almost surely, 2^1361446663 is an apocalyptic number.

1361446663 is a deficient number, since it is larger than the sum of its proper divisors (7128185).

1361446663 is an equidigital number, since it uses as much as digits as its factorization.

1361446663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128184.

The product of its digits is 186624, while the sum is 40.

The square root of 1361446663 is about 36897.7866951393. The cubic root of 1361446663 is about 1108.3243561914.

The spelling of 1361446663 in words is "one billion, three hundred sixty-one million, four hundred forty-six thousand, six hundred sixty-three".