2765180149 has 2 divisors, whose sum is σ = 2765180150. Its totient is φ = 2765180148.

The previous prime is 2765180137. The next prime is 2765180167. The reversal of 2765180149 is 9410815672.

2765180149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2426252049 + 338928100 = 49257^2 + 18410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765180149 - 2⁷ = 2765180021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2765180549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382590074 + 1382590075.

It is an arithmetic number, because the mean of its divisors is an integer number (1382590075).

Almost surely, 2^2765180149 is an apocalyptic number.

It is an amenable number.

2765180149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765180149 is an equidigital number, since it uses as much as digits as its factorization.

2765180149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2765180149 is about 52584.9802605269. The cubic root of 2765180149 is about 1403.5928379231.

The spelling of 2765180149 in words is "two billion, seven hundred sixty-five million, one hundred eighty thousand, one hundred forty-nine".