201912849 has 12 divisors (see below), whose sum is σ = 291782400. Its totient is φ = 134548344.

The previous prime is 201912847. The next prime is 201912899. The reversal of 201912849 is 948219102.

It is not a de Polignac number, because 201912849 - 2¹ = 201912847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201912847) 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, 26892 + ... + 33570.

It is an arithmetic number, because the mean of its divisors is an integer number (24315200).

Almost surely, 2^201912849 is an apocalyptic number.

It is an amenable number.

201912849 is a deficient number, since it is larger than the sum of its proper divisors (89869551).

201912849 is a wasteful number, since it uses less digits than its factorization.

201912849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10044 (or 10041 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 201912849 is about 14209.6041113044. The cubic root of 201912849 is about 586.6620366298.

The spelling of 201912849 in words is "two hundred one million, nine hundred twelve thousand, eight hundred forty-nine".