201733768450 has 24 divisors (see below), whose sum is σ = 375238282320. Its totient is φ = 80690610000.

The previous prime is 201733768349. The next prime is 201733768463. The reversal of 201733768450 is 54867337102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201733768450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1827325 + ... + 1934575.

It is an arithmetic number, because the mean of its divisors is an integer number (15634928430).

Almost surely, 2^201733768450 is an apocalyptic number.

201733768450 is a deficient number, since it is larger than the sum of its proper divisors (173504513870).

201733768450 is a wasteful number, since it uses less digits than its factorization.

201733768450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144882 (or 144877 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 201733768450 in words is "two hundred one billion, seven hundred thirty-three million, seven hundred sixty-eight thousand, four hundred fifty".