2150433685 has 4 divisors (see below), whose sum is σ = 2580520428. Its totient is φ = 1720346944.

The previous prime is 2150433647. The next prime is 2150433697. The reversal of 2150433685 is 5863340512.

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 699814116 + 1450619569 = 26454^2 + 38087^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150433685 - 2⁷ = 2150433557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215043364 + ... + 215043373.

It is an arithmetic number, because the mean of its divisors is an integer number (645130107).

Almost surely, 2^2150433685 is an apocalyptic number.

It is an amenable number.

2150433685 is a deficient number, since it is larger than the sum of its proper divisors (430086743).

2150433685 is an equidigital number, since it uses as much as digits as its factorization.

2150433685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430086742.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2150433685 is about 46372.7687872958. The cubic root of 2150433685 is about 1290.7496564104.

The spelling of 2150433685 in words is "two billion, one hundred fifty million, four hundred thirty-three thousand, six hundred eighty-five".