202149026149 has 16 divisors (see below), whose sum is σ = 236837349760. Its totient is φ = 168928079040.

The previous prime is 202149026129. The next prime is 202149026159. The reversal of 202149026149 is 941620941202.

It is not a de Polignac number, because 202149026149 - 2⁷ = 202149026021 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 (202149026129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457854 + ... + 783535.

It is an arithmetic number, because the mean of its divisors is an integer number (14802334360).

Almost surely, 2^202149026149 is an apocalyptic number.

It is an amenable number.

202149026149 is a deficient number, since it is larger than the sum of its proper divisors (34688323611).

202149026149 is a wasteful number, since it uses less digits than its factorization.

202149026149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241980.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 202149026149 in words is "two hundred two billion, one hundred forty-nine million, twenty-six thousand, one hundred forty-nine".