4898624521 has 6 divisors (see below), whose sum is σ = 5698400010. Its totient is φ = 4198820976.

The previous prime is 4898624519. The next prime is 4898624531. The reversal of 4898624521 is 1254268984.

It can be written as a sum of positive squares in only one way, i.e., 3253105296 + 1645519225 = 57036^2 + 40565^2 .

It is not a de Polignac number, because 4898624521 - 2¹ = 4898624519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 99971929 = 4898624521 / (4 + 8 + 9 + 8 + 6 + 2 + 4 + 5 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4898624531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49985916 + ... + 49986013.

It is an arithmetic number, because the mean of its divisors is an integer number (949733335).

Almost surely, 2^4898624521 is an apocalyptic number.

It is an amenable number.

4898624521 is a deficient number, since it is larger than the sum of its proper divisors (799775489).

4898624521 is an equidigital number, since it uses as much as digits as its factorization.

4898624521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99971943 (or 99971936 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 4898624521 is about 69990.1744604198. The cubic root of 4898624521 is about 1698.3403087935.

The spelling of 4898624521 in words is "four billion, eight hundred ninety-eight million, six hundred twenty-four thousand, five hundred twenty-one".