1370561345663 has 2 divisors, whose sum is σ = 1370561345664. Its totient is φ = 1370561345662.

The previous prime is 1370561345639. The next prime is 1370561345707. The reversal of 1370561345663 is 3665431650731.

It is a weak prime.

It is an emirp because it is prime and its reverse (3665431650731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370561345663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370561341663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685280672831 + 685280672832.

It is an arithmetic number, because the mean of its divisors is an integer number (685280672832).

Almost surely, 2^{1370561345663} is an apocalyptic number.

1370561345663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370561345663 is an equidigital number, since it uses as much as digits as its factorization.

1370561345663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 1370561345663 in words is "one trillion, three hundred seventy billion, five hundred sixty-one million, three hundred forty-five thousand, six hundred sixty-three".