1368169573850 has 24 divisors (see below), whose sum is σ = 2613573665148. Its totient is φ = 532476806400.

The previous prime is 1368169573847. The next prime is 1368169573871. The reversal of 1368169573850 is 583759618631.

It can be written as a sum of positive squares in 6 ways, for example, as 1053474379321 + 314695194529 = 1026389^2 + 560977^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369773711 + ... + 369777410.

Almost surely, 2^{1368169573850} is an apocalyptic number.

1368169573850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368169573850 is a deficient number, since it is larger than the sum of its proper divisors (1245404091298).

1368169573850 is a wasteful number, since it uses less digits than its factorization.

1368169573850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739551170 (or 739551165 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 1368169573850 in words is "one trillion, three hundred sixty-eight billion, one hundred sixty-nine million, five hundred seventy-three thousand, eight hundred fifty".