7298797489 has 9 divisors (see below), whose sum is σ = 7504643937. Its totient is φ = 7098457104.

The previous prime is 7298797481. The next prime is 7298797501. The reversal of 7298797489 is 9847978927.

The square root of 7298797489 is 85433.

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 3910626225 + 3388171264 = 62535^2 + 58208^2 .

It is not a de Polignac number, because 7298797489 - 2³ = 7298797481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7298797481) 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, 3159867 + ... + 3162175.

Almost surely, 2^7298797489 is an apocalyptic number.

7298797489 is the 85433-rd square number.

7298797489 is the 42717-th centered octagonal number.

It is an amenable number.

7298797489 is a deficient number, since it is larger than the sum of its proper divisors (205846448).

7298797489 is an frugal number, since it uses more digits than its factorization.

7298797489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 2346 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 70.

The cubic root of 7298797489 is about 1939.7708916566.

The spelling of 7298797489 in words is "seven billion, two hundred ninety-eight million, seven hundred ninety-seven thousand, four hundred eighty-nine".