1325913799867 has 4 divisors (see below), whose sum is σ = 1333239290656. Its totient is φ = 1318588309080.

The previous prime is 1325913799843. The next prime is 1325913799879. The reversal of 1325913799867 is 7689973195231.

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 1325913799867 - 2²⁷ = 1325779582139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325913799796 and 1325913799805.

It is not an unprimeable number, because it can be changed into a prime (1325913769867) 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, 3662745123 + ... + 3662745484.

It is an arithmetic number, because the mean of its divisors is an integer number (333309822664).

Almost surely, 2^{1325913799867} is an apocalyptic number.

1325913799867 is a deficient number, since it is larger than the sum of its proper divisors (7325490789).

1325913799867 is an equidigital number, since it uses as much as digits as its factorization.

1325913799867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325490788.

The product of its digits is 154314720, while the sum is 70.

The spelling of 1325913799867 in words is "one trillion, three hundred twenty-five billion, nine hundred thirteen million, seven hundred ninety-nine thousand, eight hundred sixty-seven".