18983046945742 has 48 divisors (see below), whose sum is σ = 31391969273280. Its totient is φ = 8602901968320.

The previous prime is 18983046945739. The next prime is 18983046945787. The reversal of 18983046945742 is 24754964038981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313102443 + ... + 313163065.

It is an arithmetic number, because the mean of its divisors is an integer number (653999359860).

It is a 1-persistent number, because it is pandigital, but 2⋅18983046945742 = 37966093891484 is not.

Almost surely, 2^{18983046945742} is an apocalyptic number.

18983046945742 is a deficient number, since it is larger than the sum of its proper divisors (12408922327538).

18983046945742 is a wasteful number, since it uses less digits than its factorization.

18983046945742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64489 (or 64478 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 70.

The spelling of 18983046945742 in words is "eighteen trillion, nine hundred eighty-three billion, forty-six million, nine hundred forty-five thousand, seven hundred forty-two".