1306066505233 has 4 divisors (see below), whose sum is σ = 1492647434560. Its totient is φ = 1119485575908.

The previous prime is 1306066505231. The next prime is 1306066505257. The reversal of 1306066505233 is 3325056606031.

It is a happy number.

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 not a de Polignac number, because 1306066505233 - 2¹ = 1306066505231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306066505231) 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, 93290464653 + ... + 93290464666.

It is an arithmetic number, because the mean of its divisors is an integer number (373161858640).

Almost surely, 2^{1306066505233} is an apocalyptic number.

It is an amenable number.

1306066505233 is a deficient number, since it is larger than the sum of its proper divisors (186580929327).

1306066505233 is an equidigital number, since it uses as much as digits as its factorization.

1306066505233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186580929326.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 1306066505233 in words is "one trillion, three hundred six billion, sixty-six million, five hundred five thousand, two hundred thirty-three".