2090984949 has 20 divisors (see below), whose sum is σ = 3136668480. Its totient is φ = 1388144520.

The previous prime is 2090984897. The next prime is 2090984969. The reversal of 2090984949 is 9494890902.

It is not a de Polignac number, because 2090984949 - 2¹⁹ = 2090460661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2090984895 and 2090984904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090984969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34647 + ... + 73364.

It is an arithmetic number, because the mean of its divisors is an integer number (156833424).

Almost surely, 2^2090984949 is an apocalyptic number.

It is an amenable number.

2090984949 is a deficient number, since it is larger than the sum of its proper divisors (1045683531).

2090984949 is a wasteful number, since it uses less digits than its factorization.

2090984949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108262 (or 108253 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 2090984949 is about 45727.2888874904. The cubic root of 2090984949 is about 1278.7440783689.

The spelling of 2090984949 in words is "two billion, ninety million, nine hundred eighty-four thousand, nine hundred forty-nine".