1305616400363 has 4 divisors (see below), whose sum is σ = 1424308800408. Its totient is φ = 1186924000320.

The previous prime is 1305616400321. The next prime is 1305616400371. The reversal of 1305616400363 is 3630046165031.

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 1305616400363 - 2²⁰ = 1305615351787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305616400663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59346200006 + ... + 59346200027.

It is an arithmetic number, because the mean of its divisors is an integer number (356077200102).

Almost surely, 2^{1305616400363} is an apocalyptic number.

1305616400363 is a deficient number, since it is larger than the sum of its proper divisors (118692400045).

1305616400363 is a wasteful number, since it uses less digits than its factorization.

1305616400363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118692400044.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 1305616400363 in words is "one trillion, three hundred five billion, six hundred sixteen million, four hundred thousand, three hundred sixty-three".