1943231818002 has 16 divisors (see below), whose sum is σ = 3886483152000. Its totient is φ = 647740686672.

The previous prime is 1943231818001. The next prime is 1943231818013. The reversal of 1943231818002 is 2008181323491.

It is a super-2 number, since 2×1943231818002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1943231818001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696999 + ... + 2090997.

It is an arithmetic number, because the mean of its divisors is an integer number (242905197000).

Almost surely, 2^{1943231818002} is an apocalyptic number.

It is a pronic number, being equal to 1393998×1393999.

1943231818002 is an abundant number, since it is smaller than the sum of its proper divisors (1943251333998).

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

1943231818002 is a wasteful number, since it uses less digits than its factorization.

1943231818002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626337.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 1943231818002 in words is "one trillion, nine hundred forty-three billion, two hundred thirty-one million, eight hundred eighteen thousand, two".