4757565661 has 4 divisors (see below), whose sum is σ = 4757933824. Its totient is φ = 4757197500.

The previous prime is 4757565611. The next prime is 4757565671. The reversal of 4757565661 is 1665657574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4757565661 - 2⁹ = 4757565149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4757565599 and 4757565608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4757565601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163965 + ... + 190786.

It is an arithmetic number, because the mean of its divisors is an integer number (1189483456).

Almost surely, 2^4757565661 is an apocalyptic number.

It is an amenable number.

4757565661 is a deficient number, since it is larger than the sum of its proper divisors (368163).

4757565661 is a wasteful number, since it uses less digits than its factorization.

4757565661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368162.

The product of its digits is 5292000, while the sum is 52.

The square root of 4757565661 is about 68975.1089959269. The cubic root of 4757565661 is about 1681.8797059894.

The spelling of 4757565661 in words is "four billion, seven hundred fifty-seven million, five hundred sixty-five thousand, six hundred sixty-one".