2043430994 has 16 divisors (see below), whose sum is σ = 3362276736. Its totient is φ = 923698800.

The previous prime is 2043430969. The next prime is 2043430997. The reversal of 2043430994 is 4990343402.

It is a super-2 number, since 2×2043430994² = 8351220454479656072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2043430997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252602 + ... + 260565.

It is an arithmetic number, because the mean of its divisors is an integer number (210142296).

Almost surely, 2^2043430994 is an apocalyptic number.

2043430994 is a deficient number, since it is larger than the sum of its proper divisors (1318845742).

2043430994 is a wasteful number, since it uses less digits than its factorization.

2043430994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513361.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 2043430994 is about 45204.3249479516. The cubic root of 2043430994 is about 1268.9757575605.

The spelling of 2043430994 in words is "two billion, forty-three million, four hundred thirty thousand, nine hundred ninety-four".