8049140089 has 9 divisors (see below), whose sum is σ = 8167558413. Its totient is φ = 7932418272.

The previous prime is 8049140083. The next prime is 8049140101. The reversal of 8049140089 is 9800419408.

The square root of 8049140089 is 89717.

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 3652389225 + 4396750864 = 60435^2 + 66308^2 .

It is not a de Polignac number, because 8049140089 - 2⁹ = 8049139577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8049140083) 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, 6548727 + ... + 6549955.

Almost surely, 2^8049140089 is an apocalyptic number.

8049140089 is the 89717-th square number.

8049140089 is the 44859-th centered octagonal number.

It is an amenable number.

8049140089 is a deficient number, since it is larger than the sum of its proper divisors (118418324).

8049140089 is an frugal number, since it uses more digits than its factorization.

8049140089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The cubic root of 8049140089 is about 2004.0866513695.

Multiplying 8049140089 by its product of nonzero digits (82944), we get a square (667627875542016 = 25838496²).

The spelling of 8049140089 in words is "eight billion, forty-nine million, one hundred forty thousand, eighty-nine".