1361933263 has 4 divisors (see below), whose sum is σ = 1370088720. Its totient is φ = 1353777808.

The previous prime is 1361933227. The next prime is 1361933273. The reversal of 1361933263 is 3623391631.

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 1361933263 - 2⁹ = 1361932751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361933273) 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, 4077478 + ... + 4077811.

It is an arithmetic number, because the mean of its divisors is an integer number (342522180).

Almost surely, 2^1361933263 is an apocalyptic number.

1361933263 is a deficient number, since it is larger than the sum of its proper divisors (8155457).

1361933263 is an equidigital number, since it uses as much as digits as its factorization.

1361933263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155456.

The product of its digits is 52488, while the sum is 37.

The square root of 1361933263 is about 36904.3799975017. The cubic root of 1361933263 is about 1108.4563839838.

The spelling of 1361933263 in words is "one billion, three hundred sixty-one million, nine hundred thirty-three thousand, two hundred sixty-three".