2040698149 has 12 divisors (see below), whose sum is σ = 2375138700. Its totient is φ = 1748237568.

The previous prime is 2040698141. The next prime is 2040698197. The reversal of 2040698149 is 9418960402.

It can be written as a sum of positive squares in 2 ways, for example, as 1103236225 + 937461924 = 33215^2 + 30618^2 .

It is not a de Polignac number, because 2040698149 - 2³ = 2040698141 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 (2040698141) 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, 91317 + ... + 111445.

It is an arithmetic number, because the mean of its divisors is an integer number (197928225).

Almost surely, 2^2040698149 is an apocalyptic number.

It is an amenable number.

2040698149 is a deficient number, since it is larger than the sum of its proper divisors (334440551).

2040698149 is a wasteful number, since it uses less digits than its factorization.

2040698149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22212 (or 22205 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2040698149 is about 45174.0871407492. The cubic root of 2040698149 is about 1268.4098039939.

The spelling of 2040698149 in words is "two billion, forty million, six hundred ninety-eight thousand, one hundred forty-nine".