1361264516363 has 4 divisors (see below), whose sum is σ = 1361266898208. Its totient is φ = 1361262134520.

The previous prime is 1361264516341. The next prime is 1361264516369. The reversal of 1361264516363 is 3636154621631.

It is a happy number.

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 1361264516363 - 2¹⁸ = 1361264254219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361264516369) 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, 237245 + ... + 1666977.

It is an arithmetic number, because the mean of its divisors is an integer number (340316724552).

Almost surely, 2^{1361264516363} is an apocalyptic number.

1361264516363 is a deficient number, since it is larger than the sum of its proper divisors (2381845).

1361264516363 is an equidigital number, since it uses as much as digits as its factorization.

1361264516363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381844.

The product of its digits is 1399680, while the sum is 47.

The spelling of 1361264516363 in words is "one trillion, three hundred sixty-one billion, two hundred sixty-four million, five hundred sixteen thousand, three hundred sixty-three".