1325834681633 has 16 divisors (see below), whose sum is σ = 1654374381696. Its totient is φ = 1032251879040.

The previous prime is 1325834681621. The next prime is 1325834681687. The reversal of 1325834681633 is 3361864385231.

It is a cyclic number.

It is not a de Polignac number, because 1325834681633 - 2⁶ = 1325834681569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1325834671633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7124666 + ... + 7308387.

It is an arithmetic number, because the mean of its divisors is an integer number (103398398856).

Almost surely, 2^{1325834681633} is an apocalyptic number.

It is an amenable number.

1325834681633 is a deficient number, since it is larger than the sum of its proper divisors (328539700063).

1325834681633 is a wasteful number, since it uses less digits than its factorization.

1325834681633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434264.

The product of its digits is 7464960, while the sum is 53.

The spelling of 1325834681633 in words is "one trillion, three hundred twenty-five billion, eight hundred thirty-four million, six hundred eighty-one thousand, six hundred thirty-three".