2150736409 has 2 divisors, whose sum is σ = 2150736410. Its totient is φ = 2150736408.

The previous prime is 2150736389. The next prime is 2150736437. The reversal of 2150736409 is 9046370512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022480784 + 128255625 = 44972^2 + 11325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150736409 - 2⁹ = 2150735897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2150730409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075368204 + 1075368205.

It is an arithmetic number, because the mean of its divisors is an integer number (1075368205).

Almost surely, 2^2150736409 is an apocalyptic number.

It is an amenable number.

2150736409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150736409 is an equidigital number, since it uses as much as digits as its factorization.

2150736409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2150736409 is about 46376.0327000920. The cubic root of 2150736409 is about 1290.8102213355.

The spelling of 2150736409 in words is "two billion, one hundred fifty million, seven hundred thirty-six thousand, four hundred nine".