2050969149 has 12 divisors (see below), whose sum is σ = 2979637596. Its totient is φ = 1359408192.

The previous prime is 2050969147. The next prime is 2050969187. The reversal of 2050969149 is 9419690502.

It can be written as a sum of positive squares in 2 ways, for example, as 1914500025 + 136469124 = 43755^2 + 11682^2 .

It is not a de Polignac number, because 2050969149 - 2¹ = 2050969147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050969147) 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, 657072 + ... + 660185.

It is an arithmetic number, because the mean of its divisors is an integer number (248303133).

Almost surely, 2^2050969149 is an apocalyptic number.

It is an amenable number.

2050969149 is a deficient number, since it is larger than the sum of its proper divisors (928668447).

2050969149 is a wasteful number, since it uses less digits than its factorization.

2050969149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317436 (or 1317433 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 2050969149 is about 45287.6268863803. The cubic root of 2050969149 is about 1270.5342470906.

The spelling of 2050969149 in words is "two billion, fifty million, nine hundred sixty-nine thousand, one hundred forty-nine".