12593073994 has 4 divisors (see below), whose sum is σ = 18889610994. Its totient is φ = 6296536996.

The previous prime is 12593073967. The next prime is 12593074009. The reversal of 12593073994 is 49937039521.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8530923769 + 4062150225 = 92363^2 + 63735^2 .

It is a super-2 number, since 2×12593073994² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3148268497 + ... + 3148268500.

Almost surely, 2^12593073994 is an apocalyptic number.

12593073994 is a deficient number, since it is larger than the sum of its proper divisors (6296537000).

12593073994 is an equidigital number, since it uses as much as digits as its factorization.

12593073994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296536999.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 12593073994 in words is "twelve billion, five hundred ninety-three million, seventy-three thousand, nine hundred ninety-four".