2150356489 has 4 divisors (see below), whose sum is σ = 2151869056. Its totient is φ = 2148843924.

The previous prime is 2150356477. The next prime is 2150356529. The reversal of 2150356489 is 9846530512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2150356489 - 2¹³ = 2150348297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150356459) 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, 754149 + ... + 756994.

It is an arithmetic number, because the mean of its divisors is an integer number (537967264).

Almost surely, 2^2150356489 is an apocalyptic number.

It is an amenable number.

2150356489 is a deficient number, since it is larger than the sum of its proper divisors (1512567).

2150356489 is a wasteful number, since it uses less digits than its factorization.

2150356489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512566.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2150356489 is about 46371.9364378931. The cubic root of 2150356489 is about 1290.7342111689.

The spelling of 2150356489 in words is "two billion, one hundred fifty million, three hundred fifty-six thousand, four hundred eighty-nine".