4658012561 has 2 divisors, whose sum is σ = 4658012562. Its totient is φ = 4658012560.

The previous prime is 4658012551. The next prime is 4658012603. The reversal of 4658012561 is 1652108564.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4618561600 + 39450961 = 67960^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 4658012561 - 2¹⁰ = 4658011537 is a prime.

It is not a weakly prime, because it can be changed into another prime (4658012531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2329006280 + 2329006281.

It is an arithmetic number, because the mean of its divisors is an integer number (2329006281).

Almost surely, 2^4658012561 is an apocalyptic number.

It is an amenable number.

4658012561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4658012561 is an equidigital number, since it uses as much as digits as its factorization.

4658012561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 4658012561 is about 68249.6341455396. The cubic root of 4658012561 is about 1670.0656817367.

The spelling of 4658012561 in words is "four billion, six hundred fifty-eight million, twelve thousand, five hundred sixty-one".