4998259521 has 8 divisors (see below), whose sum is σ = 7404828960. Its totient is φ = 3332172996.

The previous prime is 4998259501. The next prime is 4998259583. The reversal of 4998259521 is 1259528994.

4998259521 is a `hidden beast` number, since 4 + 9 + 98 + 25 + 9 + 521 = 666.

It is not a de Polignac number, because 4998259521 - 2⁶ = 4998259457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4998259501) 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, 92560335 + ... + 92560388.

It is an arithmetic number, because the mean of its divisors is an integer number (925603620).

Almost surely, 2^4998259521 is an apocalyptic number.

It is an amenable number.

4998259521 is a deficient number, since it is larger than the sum of its proper divisors (2406569439).

4998259521 is a wasteful number, since it uses less digits than its factorization.

4998259521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185120732 (or 185120726 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 4998259521 is about 70698.3700024265. The cubic root of 4998259521 is about 1709.7775118351. Note that the first 3 decimals are identical.

The spelling of 4998259521 in words is "four billion, nine hundred ninety-eight million, two hundred fifty-nine thousand, five hundred twenty-one".