11993708422 has 4 divisors (see below), whose sum is σ = 17990562636. Its totient is φ = 5996854210.

The previous prime is 11993708417. The next prime is 11993708473. The reversal of 11993708422 is 22480739911.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2998427104 + ... + 2998427107.

It is an arithmetic number, because the mean of its divisors is an integer number (4497640659).

Almost surely, 2^11993708422 is an apocalyptic number.

11993708422 is a deficient number, since it is larger than the sum of its proper divisors (5996854214).

11993708422 is an equidigital number, since it uses as much as digits as its factorization.

11993708422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996854213.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11993708422 in words is "eleven billion, nine hundred ninety-three million, seven hundred eight thousand, four hundred twenty-two".