2150449129 has 2 divisors, whose sum is σ = 2150449130. Its totient is φ = 2150449128.

The previous prime is 2150449117. The next prime is 2150449157. The reversal of 2150449129 is 9219440512.

2150449129 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., 1718931600 + 431517529 = 41460^2 + 20773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150449129 - 2⁵ = 2150449097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2150449109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075224564 + 1075224565.

It is an arithmetic number, because the mean of its divisors is an integer number (1075224565).

Almost surely, 2^2150449129 is an apocalyptic number.

It is an amenable number.

2150449129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150449129 is an equidigital number, since it uses as much as digits as its factorization.

2150449129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2150449129 is about 46372.9353071379. The cubic root of 2150449129 is about 1290.7527463747.

The spelling of 2150449129 in words is "two billion, one hundred fifty million, four hundred forty-nine thousand, one hundred twenty-nine".