2119743451268 has 6 divisors (see below), whose sum is σ = 3709551039726. Its totient is φ = 1059871725632.

The previous prime is 2119743451247. The next prime is 2119743451271. The reversal of 2119743451268 is 8621543479112.

It can be written as a sum of positive squares in only one way, i.e., 2102215809604 + 17527641664 = 1449902^2 + 132392^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264967931405 + ... + 264967931412.

It is an arithmetic number, because the mean of its divisors is an integer number (618258506621).

Almost surely, 2^{2119743451268} is an apocalyptic number.

It is an amenable number.

2119743451268 is a deficient number, since it is larger than the sum of its proper divisors (1589807588458).

2119743451268 is a wasteful number, since it uses less digits than its factorization.

2119743451268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529935862821 (or 529935862819 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 2119743451268 in words is "two trillion, one hundred nineteen billion, seven hundred forty-three million, four hundred fifty-one thousand, two hundred sixty-eight".