1343403321890 has 64 divisors (see below), whose sum is σ = 2785653497088. Its totient is φ = 456917760000.

The previous prime is 1343403321881. The next prime is 1343403321937. The reversal of 1343403321890 is 981233043431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27494762 + ... + 27543578.

It is an arithmetic number, because the mean of its divisors is an integer number (43525835892).

Almost surely, 2^{1343403321890} is an apocalyptic number.

1343403321890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1343403321890 is an abundant number, since it is smaller than the sum of its proper divisors (1442250175198).

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

1343403321890 is a wasteful number, since it uses less digits than its factorization.

1343403321890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51963.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 1343403321890 in words is "one trillion, three hundred forty-three billion, four hundred three million, three hundred twenty-one thousand, eight hundred ninety".