203726982068 has 6 divisors (see below), whose sum is σ = 356522218626. Its totient is φ = 101863491032.

The previous prime is 203726982059. The next prime is 203726982083. The reversal of 203726982068 is 860289627302.

It can be written as a sum of positive squares in only one way, i.e., 199039115044 + 4687867024 = 446138^2 + 68468^2 .

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, 25465872755 + ... + 25465872762.

It is an arithmetic number, because the mean of its divisors is an integer number (59420369771).

Almost surely, 2^203726982068 is an apocalyptic number.

It is an amenable number.

203726982068 is a deficient number, since it is larger than the sum of its proper divisors (152795236558).

203726982068 is a wasteful number, since it uses less digits than its factorization.

203726982068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50931745521 (or 50931745519 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 203726982068 in words is "two hundred three billion, seven hundred twenty-six million, nine hundred eighty-two thousand, sixty-eight".