201469641 has 16 divisors (see below), whose sum is σ = 282452160. Its totient is φ = 127552320.

The previous prime is 201469637. The next prime is 201469643. The reversal of 201469641 is 146964102.

It is not a de Polignac number, because 201469641 - 2² = 201469637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201469643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13675 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (17653260).

Almost surely, 2^201469641 is an apocalyptic number.

It is an amenable number.

201469641 is a deficient number, since it is larger than the sum of its proper divisors (80982519).

201469641 is a wasteful number, since it uses less digits than its factorization.

201469641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38056.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 201469641 is about 14194.0001761308. Note that the first 3 decimals coincide. The cubic root of 201469641 is about 586.2324721113.

The spelling of 201469641 in words is "two hundred one million, four hundred sixty-nine thousand, six hundred forty-one".