4872628561 has 2 divisors, whose sum is σ = 4872628562. Its totient is φ = 4872628560.

The previous prime is 4872628543. The next prime is 4872628567. The reversal of 4872628561 is 1658262784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3581304336 + 1291324225 = 59844^2 + 35935^2 .

It is a cyclic number.

It is not a de Polignac number, because 4872628561 - 2⁷ = 4872628433 is a prime.

It is not a weakly prime, because it can be changed into another prime (4872628567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2436314280 + 2436314281.

It is an arithmetic number, because the mean of its divisors is an integer number (2436314281).

Almost surely, 2^4872628561 is an apocalyptic number.

It is an amenable number.

4872628561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4872628561 is an equidigital number, since it uses as much as digits as its factorization.

4872628561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 49.

The square root of 4872628561 is about 69804.2159256875. The cubic root of 4872628561 is about 1695.3307349963.

The spelling of 4872628561 in words is "four billion, eight hundred seventy-two million, six hundred twenty-eight thousand, five hundred sixty-one".