1312455630563 has 48 divisors (see below), whose sum is σ = 1711538994528. Its totient is φ = 994472640000.

The previous prime is 1312455630559. The next prime is 1312455630583. The reversal of 1312455630563 is 3650365542131.

It is not a de Polignac number, because 1312455630563 - 2² = 1312455630559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312455630583) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35899073 + ... + 35935613.

It is an arithmetic number, because the mean of its divisors is an integer number (35657062386).

Almost surely, 2^{1312455630563} is an apocalyptic number.

1312455630563 is a deficient number, since it is larger than the sum of its proper divisors (399083363965).

1312455630563 is a wasteful number, since it uses less digits than its factorization.

1312455630563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38404 (or 38397 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 1312455630563 in words is "one trillion, three hundred twelve billion, four hundred fifty-five million, six hundred thirty thousand, five hundred sixty-three".