1361765792593 has 4 divisors (see below), whose sum is σ = 1361773270768. Its totient is φ = 1361758314420.

The previous prime is 1361765792591. The next prime is 1361765792623. The reversal of 1361765792593 is 3952975671631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361765792593 - 2¹ = 1361765792591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361765792591) 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, 3458943 + ... + 3832468.

It is an arithmetic number, because the mean of its divisors is an integer number (340443317692).

Almost surely, 2^{1361765792593} is an apocalyptic number.

It is an amenable number.

1361765792593 is a deficient number, since it is larger than the sum of its proper divisors (7478175).

1361765792593 is an equidigital number, since it uses as much as digits as its factorization.

1361765792593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478174.

The product of its digits is 64297800, while the sum is 64.

The spelling of 1361765792593 in words is "one trillion, three hundred sixty-one billion, seven hundred sixty-five million, seven hundred ninety-two thousand, five hundred ninety-three".