1331749704992 has 36 divisors (see below), whose sum is σ = 3049944640470. Its totient is φ = 570749872896.

The previous prime is 1331749704977. The next prime is 1331749705081. The reversal of 1331749704992 is 2994079471331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1309752069136 + 21997635856 = 1144444^2 + 148316^2 .

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 5 ways as a sum of consecutive naturals, for example, 424663517 + ... + 424666652.

Almost surely, 2^{1331749704992} is an apocalyptic number.

It is an amenable number.

1331749704992 is an abundant number, since it is smaller than the sum of its proper divisors (1718194935478).

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

1331749704992 is an equidigital number, since it uses as much as digits as its factorization.

1331749704992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849330193 (or 849330178 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 1331749704992 in words is "one trillion, three hundred thirty-one billion, seven hundred forty-nine million, seven hundred four thousand, nine hundred ninety-two".