202049191 has 8 divisors (see below), whose sum is σ = 203513760. Its totient is φ = 200589312.

The previous prime is 202049179. The next prime is 202049201. The reversal of 202049191 is 191940202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202049191 - 2²⁵ = 168494759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202049101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142695 + ... + 144103.

It is an arithmetic number, because the mean of its divisors is an integer number (25439220).

Almost surely, 2^202049191 is an apocalyptic number.

202049191 is a deficient number, since it is larger than the sum of its proper divisors (1464569).

202049191 is a wasteful number, since it uses less digits than its factorization.

202049191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 202049191 is about 14214.4008315511. The cubic root of 202049191 is about 586.7940551035.

Adding to 202049191 its reverse (191940202), we get a palindrome (393989393).

The spelling of 202049191 in words is "two hundred two million, forty-nine thousand, one hundred ninety-one".