2489566958 has 16 divisors (see below), whose sum is σ = 3855026736. Its totient is φ = 1205070720.

The previous prime is 2489566957. The next prime is 2489566991. The reversal of 2489566958 is 8596659842.

It is a self number, because there is not a number n which added to its sum of digits gives 2489566958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489566957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118373 + ... + 137808.

It is an arithmetic number, because the mean of its divisors is an integer number (240939171).

Almost surely, 2^2489566958 is an apocalyptic number.

2489566958 is a deficient number, since it is larger than the sum of its proper divisors (1365459778).

2489566958 is a wasteful number, since it uses less digits than its factorization.

2489566958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256339.

The product of its digits is 37324800, while the sum is 62.

The square root of 2489566958 is about 49895.5605039166. The cubic root of 2489566958 is about 1355.3182003478.

The spelling of 2489566958 in words is "two billion, four hundred eighty-nine million, five hundred sixty-six thousand, nine hundred fifty-eight".