2489433994 has 4 divisors (see below), whose sum is σ = 3734150994. Its totient is φ = 1244716996.

The previous prime is 2489433971. The next prime is 2489434027. The reversal of 2489433994 is 4993349842.

2489433994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2486318769 + 3115225 = 49863^2 + 1765^2 .

It is a super-2 number, since 2×2489433994² = 12394563220965584072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622358497 + ... + 622358500.

Almost surely, 2^2489433994 is an apocalyptic number.

2489433994 is a deficient number, since it is larger than the sum of its proper divisors (1244717000).

2489433994 is a wasteful number, since it uses less digits than its factorization.

2489433994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244716999.

The product of its digits is 6718464, while the sum is 55.

The square root of 2489433994 is about 49894.2280629734. The cubic root of 2489433994 is about 1355.2940714209.

The spelling of 2489433994 in words is "two billion, four hundred eighty-nine million, four hundred thirty-three thousand, nine hundred ninety-four".