1825923911913 has 24 divisors (see below), whose sum is σ = 2642218091136. Its totient is φ = 1215081936000.

The previous prime is 1825923911891. The next prime is 1825923911921. The reversal of 1825923911913 is 3191193295281.

It is a happy number.

1825923911913 is a `hidden beast` number, since 1 + 8 + 2 + 592 + 39 + 1 + 1 + 9 + 13 = 666.

It is not a de Polignac number, because 1825923911913 - 2⁹ = 1825923911401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1825923911913.

It is not an unprimeable number, because it can be changed into a prime (1825923911923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11062156 + ... + 11226002.

It is an arithmetic number, because the mean of its divisors is an integer number (110092420464).

Almost surely, 2^{1825923911913} is an apocalyptic number.

It is an amenable number.

1825923911913 is a deficient number, since it is larger than the sum of its proper divisors (816294179223).

1825923911913 is a wasteful number, since it uses less digits than its factorization.

1825923911913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166085 (or 166082 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The spelling of 1825923911913 in words is "one trillion, eight hundred twenty-five billion, nine hundred twenty-three million, nine hundred eleven thousand, nine hundred thirteen".