1719748311412 has 6 divisors (see below), whose sum is σ = 3009559544978. Its totient is φ = 859874155704.

The previous prime is 1719748311389. The next prime is 1719748311427. The reversal of 1719748311412 is 2141138479171.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1572726679056 + 147021632356 = 1254084^2 + 383434^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214968538923 + ... + 214968538930.

Almost surely, 2^{1719748311412} is an apocalyptic number.

It is an amenable number.

1719748311412 is a deficient number, since it is larger than the sum of its proper divisors (1289811233566).

1719748311412 is a wasteful number, since it uses less digits than its factorization.

1719748311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429937077857 (or 429937077855 counting only the distinct ones).

The product of its digits is 338688, while the sum is 49.

The spelling of 1719748311412 in words is "one trillion, seven hundred nineteen billion, seven hundred forty-eight million, three hundred eleven thousand, four hundred twelve".