5965565761 has 4 divisors (see below), whose sum is σ = 6316481412. Its totient is φ = 5614650112.

The previous prime is 5965565719. The next prime is 5965565777. The reversal of 5965565761 is 1675655695.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1902268225 + 4063297536 = 43615^2 + 63744^2 .

It is not a de Polignac number, because 5965565761 - 2¹³ = 5965557569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5965565561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175457800 + ... + 175457833.

It is an arithmetic number, because the mean of its divisors is an integer number (1579120353).

Almost surely, 2^5965565761 is an apocalyptic number.

It is an amenable number.

5965565761 is a deficient number, since it is larger than the sum of its proper divisors (350915651).

5965565761 is a wasteful number, since it uses less digits than its factorization.

5965565761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350915650.

The product of its digits is 8505000, while the sum is 55.

The square root of 5965565761 is about 77237.0750417181. The cubic root of 5965565761 is about 1813.6377457563.

The spelling of 5965565761 in words is "five billion, nine hundred sixty-five million, five hundred sixty-five thousand, seven hundred sixty-one".