1973814351268 has 12 divisors (see below), whose sum is σ = 3454321959900. Its totient is φ = 986865219872.

The previous prime is 1973814351239. The next prime is 1973814351293. The reversal of 1973814351268 is 8621534183791.

It can be written as a sum of positive squares in 2 ways, for example, as 181755563584 + 1792058787684 = 426328^2 + 1338678^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10382971 + ... + 10571362.

It is an arithmetic number, because the mean of its divisors is an integer number (287860163325).

Almost surely, 2^{1973814351268} is an apocalyptic number.

It is an amenable number.

1973814351268 is a deficient number, since it is larger than the sum of its proper divisors (1480507608632).

1973814351268 is a wasteful number, since it uses less digits than its factorization.

1973814351268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20977886 (or 20977884 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 1973814351268 in words is "one trillion, nine hundred seventy-three billion, eight hundred fourteen million, three hundred fifty-one thousand, two hundred sixty-eight".