4757716561 has 12 divisors (see below), whose sum is σ = 5249061468. Its totient is φ = 4308867264.

The previous prime is 4757716549. The next prime is 4757716609. The reversal of 4757716561 is 1656177574.

It can be written as a sum of positive squares in 6 ways, for example, as 277422336 + 4480294225 = 16656^2 + 66935^2 .

It is not a de Polignac number, because 4757716561 - 2⁷ = 4757716433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4757714561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256630 + ... + 274543.

It is an arithmetic number, because the mean of its divisors is an integer number (437421789).

Almost surely, 2^4757716561 is an apocalyptic number.

It is an amenable number.

4757716561 is a deficient number, since it is larger than the sum of its proper divisors (491344907).

4757716561 is a wasteful number, since it uses less digits than its factorization.

4757716561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531252 (or 531239 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 49.

The square root of 4757716561 is about 68976.2028601169. The cubic root of 4757716561 is about 1681.8974876998.

The spelling of 4757716561 in words is "four billion, seven hundred fifty-seven million, seven hundred sixteen thousand, five hundred sixty-one".