2489875521 has 16 divisors (see below), whose sum is σ = 3896640384. Its totient is φ = 1384331904.

The previous prime is 2489875519. The next prime is 2489875621. The reversal of 2489875521 is 1255789842.

It is not a de Polignac number, because 2489875521 - 2¹ = 2489875519 is a prime.

It is a super-2 number, since 2×2489875521² = 12398960220150042882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2489875321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601460 + ... + 1603013.

It is an arithmetic number, because the mean of its divisors is an integer number (243540024).

Almost surely, 2^2489875521 is an apocalyptic number.

2489875521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2489875521 is a deficient number, since it is larger than the sum of its proper divisors (1406764863).

2489875521 is a wasteful number, since it uses less digits than its factorization.

2489875521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204520.

The product of its digits is 1612800, while the sum is 51.

The square root of 2489875521 is about 49898.6524968360. The cubic root of 2489875521 is about 1355.3741918489.

The spelling of 2489875521 in words is "two billion, four hundred eighty-nine million, eight hundred seventy-five thousand, five hundred twenty-one".