1943340423498 has 48 divisors (see below), whose sum is σ = 4362553728000. Its totient is φ = 624553535520.

The previous prime is 1943340423419. The next prime is 1943340423511. The reversal of 1943340423498 is 8943240433491.

1943340423498 is a `hidden beast` number, since 1 + 94 + 3 + 3 + 40 + 4 + 23 + 498 = 666.

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 in 23 ways as a sum of consecutive naturals, for example, 6323298 + ... + 6623501.

It is an arithmetic number, because the mean of its divisors is an integer number (90886536000).

Almost surely, 2^{1943340423498} is an apocalyptic number.

1943340423498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1943340423498 is an abundant number, since it is smaller than the sum of its proper divisors (2419213304502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1943340423498 is a wasteful number, since it uses less digits than its factorization.

1943340423498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947107 (or 12947104 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 1943340423498 in words is "one trillion, nine hundred forty-three billion, three hundred forty million, four hundred twenty-three thousand, four hundred ninety-eight".