1345811819998 has 8 divisors (see below), whose sum is σ = 2020002723720. Its totient is φ = 672477578760.

The previous prime is 1345811819977. The next prime is 1345811819999. The reversal of 1345811819998 is 8999181185431.

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

It is a super-2 number, since 2×1345811819998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345811819999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214161693 + ... + 214167976.

It is an arithmetic number, because the mean of its divisors is an integer number (252500340465).

Almost surely, 2^{1345811819998} is an apocalyptic number.

1345811819998 is a deficient number, since it is larger than the sum of its proper divisors (674190903722).

1345811819998 is a wasteful number, since it uses less digits than its factorization.

1345811819998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428331242.

The product of its digits is 22394880, while the sum is 67.

The spelling of 1345811819998 in words is "one trillion, three hundred forty-five billion, eight hundred eleven million, eight hundred nineteen thousand, nine hundred ninety-eight".