2163430445 has 16 divisors (see below), whose sum is σ = 2892388608. Its totient is φ = 1539925440.

The previous prime is 2163430433. The next prime is 2163430447. The reversal of 2163430445 is 5440343612.

It is not a de Polignac number, because 2163430445 - 2⁴ = 2163430429 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 (2163430447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415874 + ... + 421043.

It is an arithmetic number, because the mean of its divisors is an integer number (180774288).

Almost surely, 2^2163430445 is an apocalyptic number.

It is an amenable number.

2163430445 is a deficient number, since it is larger than the sum of its proper divisors (728958163).

2163430445 is a wasteful number, since it uses less digits than its factorization.

2163430445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836980.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2163430445 is about 46512.6912250839. The cubic root of 2163430445 is about 1293.3447733353.

The spelling of 2163430445 in words is "two billion, one hundred sixty-three million, four hundred thirty thousand, four hundred forty-five".