12919798358 has 8 divisors (see below), whose sum is σ = 19380199728. Its totient is φ = 6459731784.

The previous prime is 12919798327. The next prime is 12919798427. The reversal of 12919798358 is 85389791921.

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

It is a super-2 number, since 2×12919798358² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12919798358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67160 + ... + 174212.

It is an arithmetic number, because the mean of its divisors is an integer number (2422524966).

Almost surely, 2^12919798358 is an apocalyptic number.

12919798358 is a deficient number, since it is larger than the sum of its proper divisors (6460401370).

12919798358 is a wasteful number, since it uses less digits than its factorization.

12919798358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167398.

The product of its digits is 9797760, while the sum is 62.

The spelling of 12919798358 in words is "twelve billion, nine hundred nineteen million, seven hundred ninety-eight thousand, three hundred fifty-eight".