1523828664868 has 6 divisors (see below), whose sum is σ = 2666700163526. Its totient is φ = 761914332432.

The previous prime is 1523828664857. The next prime is 1523828664877. The reversal of 1523828664868 is 8684668283251.

It can be written as a sum of positive squares in only one way, i.e., 1451441838564 + 72386826304 = 1204758^2 + 269048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190478583105 + ... + 190478583112.

Almost surely, 2^{1523828664868} is an apocalyptic number.

It is an amenable number.

1523828664868 is a deficient number, since it is larger than the sum of its proper divisors (1142871498658).

1523828664868 is a wasteful number, since it uses less digits than its factorization.

1523828664868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380957166221 (or 380957166219 counting only the distinct ones).

The product of its digits is 212336640, while the sum is 67.

The spelling of 1523828664868 in words is "one trillion, five hundred twenty-three billion, eight hundred twenty-eight million, six hundred sixty-four thousand, eight hundred sixty-eight".