6961065489 has 81 divisors (see below), whose sum is σ = 12202785777. Its totient is φ = 3812554368.

The previous prime is 6961065457. The next prime is 6961065493. The reversal of 6961065489 is 9845601696.

It is a happy number.

The square root of 6961065489 is 83433.

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

6961065489 is a `hidden beast` number, since 6 + 96 + 1 + 0 + 6 + 548 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 87329025 + 6873736464 = 9345^2 + 82908^2 .

It is not a de Polignac number, because 6961065489 - 2⁵ = 6961065457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6961064489) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 50810629 + ... + 50810765.

Almost surely, 2^6961065489 is an apocalyptic number.

6961065489 is the 83433-rd square number.

6961065489 is the 41717-th centered octagonal number.

It is an amenable number.

6961065489 is a deficient number, since it is larger than the sum of its proper divisors (5241720288).

6961065489 is a wasteful number, since it uses less digits than its factorization.

6961065489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The cubic root of 6961065489 is about 1909.3779658957.

The spelling of 6961065489 in words is "six billion, nine hundred sixty-one million, sixty-five thousand, four hundred eighty-nine".