9143573797 has 4 divisors (see below), whose sum is σ = 9155464780. Its totient is φ = 9131682816.

The previous prime is 9143573749. The next prime is 9143573837. The reversal of 9143573797 is 7973753419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7973753419 = 349 ⋅22847431.

It can be written as a sum of positive squares in 2 ways, for example, as 6983276356 + 2160297441 = 83566^2 + 46479^2 .

It is a cyclic number.

It is not a de Polignac number, because 9143573797 - 2⁷ = 9143573669 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 (9143573897) 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 3 ways as a sum of consecutive naturals, for example, 5944338 + ... + 5945875.

It is an arithmetic number, because the mean of its divisors is an integer number (2288866195).

Almost surely, 2^9143573797 is an apocalyptic number.

It is an amenable number.

9143573797 is a deficient number, since it is larger than the sum of its proper divisors (11890983).

9143573797 is a wasteful number, since it uses less digits than its factorization.

9143573797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11890982.

The product of its digits is 5000940, while the sum is 55.

The square root of 9143573797 is about 95622.0361475324. The cubic root of 9143573797 is about 2091.0864673839.

The spelling of 9143573797 in words is "nine billion, one hundred forty-three million, five hundred seventy-three thousand, seven hundred ninety-seven".