2150492989 has 4 divisors (see below), whose sum is σ = 2158860924. Its totient is φ = 2142125056.

The previous prime is 2150492983. The next prime is 2150493041. The reversal of 2150492989 is 9892940512.

2150492989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1450467225 + 700025764 = 38085^2 + 26458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150492989 - 2³¹ = 3009341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150492983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183582 + ... + 4184095.

It is an arithmetic number, because the mean of its divisors is an integer number (539715231).

Almost surely, 2^2150492989 is an apocalyptic number.

It is an amenable number.

2150492989 is a deficient number, since it is larger than the sum of its proper divisors (8367935).

2150492989 is an equidigital number, since it uses as much as digits as its factorization.

2150492989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367934.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 2150492989 is about 46373.4082098782. The cubic root of 2150492989 is about 1290.7615216006.

The spelling of 2150492989 in words is "two billion, one hundred fifty million, four hundred ninety-two thousand, nine hundred eighty-nine".