12389952958 has 4 divisors (see below), whose sum is σ = 18584929440. Its totient is φ = 6194976478.

The previous prime is 12389952923. The next prime is 12389952979. The reversal of 12389952958 is 85925998321.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12389952896 and 12389952905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097488238 + ... + 3097488241.

It is an arithmetic number, because the mean of its divisors is an integer number (4646232360).

Almost surely, 2^12389952958 is an apocalyptic number.

12389952958 is a deficient number, since it is larger than the sum of its proper divisors (6194976482).

12389952958 is an equidigital number, since it uses as much as digits as its factorization.

12389952958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194976481.

The product of its digits is 13996800, while the sum is 61.

The spelling of 12389952958 in words is "twelve billion, three hundred eighty-nine million, nine hundred fifty-two thousand, nine hundred fifty-eight".