2041156309 has 2 divisors, whose sum is σ = 2041156310. Its totient is φ = 2041156308.

The previous prime is 2041156261. The next prime is 2041156399. The reversal of 2041156309 is 9036511402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083068100 + 958088209 = 32910^2 + 30953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041156309 - 2⁹ = 2041155797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2041156399) 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 as a sum of consecutive naturals, namely, 1020578154 + 1020578155.

It is an arithmetic number, because the mean of its divisors is an integer number (1020578155).

Almost surely, 2^2041156309 is an apocalyptic number.

It is an amenable number.

2041156309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041156309 is an equidigital number, since it uses as much as digits as its factorization.

2041156309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2041156309 is about 45179.1579049455. The cubic root of 2041156309 is about 1268.5047210449.

The spelling of 2041156309 in words is "two billion, forty-one million, one hundred fifty-six thousand, three hundred nine".