6898465249 has 9 divisors (see below), whose sum is σ = 7471105113. Its totient is φ = 6366817392.

The previous prime is 6898465193. The next prime is 6898465253. The reversal of 6898465249 is 9425648986.

The square root of 6898465249 is 83057.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5604768225 + 1293697024 = 74865^2 + 35968^2 .

It is not a de Polignac number, because 6898465249 - 2²⁵ = 6864910817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6898465289) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1076547 + ... + 1082935.

Almost surely, 2^6898465249 is an apocalyptic number.

6898465249 is the 83057-th square number.

6898465249 is the 41529-th centered octagonal number.

It is an amenable number.

6898465249 is a deficient number, since it is larger than the sum of its proper divisors (572639864).

6898465249 is an frugal number, since it uses more digits than its factorization.

6898465249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804 (or 6402 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 61.

The cubic root of 6898465249 is about 1903.6371005020.

The spelling of 6898465249 in words is "six billion, eight hundred ninety-eight million, four hundred sixty-five thousand, two hundred forty-nine".