975423819939 has 8 divisors (see below), whose sum is σ = 1312074519312. Its totient is φ = 644527833600.

The previous prime is 975423819911. The next prime is 975423819943. The reversal of 975423819939 is 939918324579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 975423819939 - 2²⁰ = 975422771363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (975423819949) 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 7 ways as a sum of consecutive naturals, for example, 1438677862 + ... + 1438678539.

It is an arithmetic number, because the mean of its divisors is an integer number (164009314914).

Almost surely, 2^975423819939 is an apocalyptic number.

975423819939 is a deficient number, since it is larger than the sum of its proper divisors (336650699373).

975423819939 is a wasteful number, since it uses less digits than its factorization.

975423819939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877356517.

The product of its digits is 132269760, while the sum is 69.

The spelling of 975423819939 in words is "nine hundred seventy-five billion, four hundred twenty-three million, eight hundred nineteen thousand, nine hundred thirty-nine".