7148884489 has 8 divisors (see below), whose sum is σ = 7712227080. Its totient is φ = 6601410816.

The previous prime is 7148884471. The next prime is 7148884499. The reversal of 7148884489 is 9844888417.

It can be written as a sum of positive squares in 4 ways, for example, as 541958400 + 6606926089 = 23280^2 + 81283^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7148884489 - 2¹⁹ = 7148360201 is a prime.

It is a super-2 number, since 2×7148884489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7148884409) 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, 3966294 + ... + 3968095.

It is an arithmetic number, because the mean of its divisors is an integer number (964028385).

Almost surely, 2^7148884489 is an apocalyptic number.

It is an amenable number.

7148884489 is a deficient number, since it is larger than the sum of its proper divisors (563342591).

7148884489 is a wasteful number, since it uses less digits than its factorization.

7148884489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934459.

The product of its digits is 16515072, while the sum is 61.

The square root of 7148884489 is about 84551.0762143215. The cubic root of 7148884489 is about 1926.3983308475.

The spelling of 7148884489 in words is "seven billion, one hundred forty-eight million, eight hundred eighty-four thousand, four hundred eighty-nine".