6598724649 has 8 divisors (see below), whose sum is σ = 9598144992. Its totient is φ = 3999227040.

The previous prime is 6598724647. The next prime is 6598724651. The reversal of 6598724649 is 9464278956.

It is an interprime number because it is at equal distance from previous prime (6598724647) and next prime (6598724651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6598724649 - 2¹ = 6598724647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6598724592 and 6598724601.

It is not an unprimeable number, because it can be changed into a prime (6598724647) 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, 99980644 + ... + 99980709.

It is an arithmetic number, because the mean of its divisors is an integer number (1199768124).

Almost surely, 2^6598724649 is an apocalyptic number.

It is an amenable number.

6598724649 is a deficient number, since it is larger than the sum of its proper divisors (2999420343).

6598724649 is a wasteful number, since it uses less digits than its factorization.

6598724649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199961367.

The product of its digits is 26127360, while the sum is 60.

The square root of 6598724649 is about 81232.5344243303. The cubic root of 6598724649 is about 1875.6566256315.

The spelling of 6598724649 in words is "six billion, five hundred ninety-eight million, seven hundred twenty-four thousand, six hundred forty-nine".