2066434450 has 12 divisors (see below), whose sum is σ = 3843568170. Its totient is φ = 826573760.

The previous prime is 2066434429. The next prime is 2066434459. The reversal of 2066434450 is 544346602.

It can be written as a sum of positive squares in 3 ways, for example, as 930677049 + 1135757401 = 30507^2 + 33701^2 .

It is a super-2 number, since 2×2066434450² = 8540302672293605000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2066434459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20664295 + ... + 20664394.

Almost surely, 2^2066434450 is an apocalyptic number.

2066434450 is a deficient number, since it is larger than the sum of its proper divisors (1777133720).

2066434450 is a wasteful number, since it uses less digits than its factorization.

2066434450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41328701 (or 41328696 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2066434450 is about 45458.0515420536. The cubic root of 2066434450 is about 1273.7197349990.

The spelling of 2066434450 in words is "two billion, sixty-six million, four hundred thirty-four thousand, four hundred fifty".