1325319873733 has 4 divisors (see below), whose sum is σ = 1325920383360. Its totient is φ = 1324719364108.

The previous prime is 1325319873719. The next prime is 1325319873749. The reversal of 1325319873733 is 3373789135231.

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 a cyclic number.

It is not a de Polignac number, because 1325319873733 - 2⁵ = 1325319873701 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 (1325319873763) 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, 300251503 + ... + 300255916.

It is an arithmetic number, because the mean of its divisors is an integer number (331480095840).

Almost surely, 2^{1325319873733} is an apocalyptic number.

It is an amenable number.

1325319873733 is a deficient number, since it is larger than the sum of its proper divisors (600509627).

1325319873733 is an equidigital number, since it uses as much as digits as its factorization.

1325319873733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600509626.

The product of its digits is 8573040, while the sum is 55.

The spelling of 1325319873733 in words is "one trillion, three hundred twenty-five billion, three hundred nineteen million, eight hundred seventy-three thousand, seven hundred thirty-three".