1797467913 has 6 divisors (see below), whose sum is σ = 2596342554. Its totient is φ = 1198311936.

The previous prime is 1797467873. The next prime is 1797467929. The reversal of 1797467913 is 3197647971.

1797467913 is a `hidden beast` number, since 1 + 7 + 97 + 467 + 91 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1703047824 + 94420089 = 41268^2 + 9717^2 .

It is not a de Polignac number, because 1797467913 - 2⁸ = 1797467657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1797467913.

It is not an unprimeable number, because it can be changed into a prime (1797467713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99859320 + ... + 99859337.

It is an arithmetic number, because the mean of its divisors is an integer number (432723759).

Almost surely, 2^1797467913 is an apocalyptic number.

It is an amenable number.

1797467913 is a deficient number, since it is larger than the sum of its proper divisors (798874641).

1797467913 is a wasteful number, since it uses less digits than its factorization.

1797467913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199718663 (or 199718660 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 1797467913 is about 42396.5554379126. Note that the first 3 decimals coincide. The cubic root of 1797467913 is about 1215.8697364591.

The spelling of 1797467913 in words is "one billion, seven hundred ninety-seven million, four hundred sixty-seven thousand, nine hundred thirteen".