4632689557 has 2 divisors, whose sum is σ = 4632689558. Its totient is φ = 4632689556.

The previous prime is 4632689549. The next prime is 4632689597. The reversal of 4632689557 is 7559862364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3409508881 + 1223180676 = 58391^2 + 34974^2 .

It is a cyclic number.

It is not a de Polignac number, because 4632689557 - 2³ = 4632689549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4632689498 and 4632689507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4632689527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2316344778 + 2316344779.

It is an arithmetic number, because the mean of its divisors is an integer number (2316344779).

Almost surely, 2^4632689557 is an apocalyptic number.

It is an amenable number.

4632689557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4632689557 is an equidigital number, since it uses as much as digits as its factorization.

4632689557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 55.

The square root of 4632689557 is about 68063.8638118642. The cubic root of 4632689557 is about 1667.0337770831.

The spelling of 4632689557 in words is "four billion, six hundred thirty-two million, six hundred eighty-nine thousand, five hundred fifty-seven".