4650561637 has 2 divisors, whose sum is σ = 4650561638. Its totient is φ = 4650561636.

The previous prime is 4650561623. The next prime is 4650561677. The reversal of 4650561637 is 7361650564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4645921921 + 4639716 = 68161^2 + 2154^2 .

It is a cyclic number.

It is not a de Polignac number, because 4650561637 - 2³¹ = 2503077989 is a prime.

It is a super-2 number, since 2×4650561637² = 43255447079072239538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4650561593 and 4650561602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4650561677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325280818 + 2325280819.

It is an arithmetic number, because the mean of its divisors is an integer number (2325280819).

Almost surely, 2^4650561637 is an apocalyptic number.

It is an amenable number.

4650561637 is a deficient number, since it is larger than the sum of its proper divisors (1).

4650561637 is an equidigital number, since it uses as much as digits as its factorization.

4650561637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 4650561637 is about 68195.0264828748. The cubic root of 4650561637 is about 1669.1747314246.

The spelling of 4650561637 in words is "four billion, six hundred fifty million, five hundred sixty-one thousand, six hundred thirty-seven".