201945133883 has 12 divisors (see below), whose sum is σ = 213152812200. Its totient is φ = 191298865536.

The previous prime is 201945133837. The next prime is 201945133981. The reversal of 201945133883 is 388331549102.

It is not a de Polignac number, because 201945133883 - 2³² = 197650166587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201945123883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5631416 + ... + 5667162.

It is an arithmetic number, because the mean of its divisors is an integer number (17762734350).

Almost surely, 2^201945133883 is an apocalyptic number.

201945133883 is a deficient number, since it is larger than the sum of its proper divisors (11207678317).

201945133883 is a wasteful number, since it uses less digits than its factorization.

201945133883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51434 (or 51415 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 201945133883 in words is "two hundred one billion, nine hundred forty-five million, one hundred thirty-three thousand, eight hundred eighty-three".