6120650561 has 2 divisors, whose sum is σ = 6120650562. Its totient is φ = 6120650560.

The previous prime is 6120650551. The next prime is 6120650579. The reversal of 6120650561 is 1650560216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3566358961 + 2554291600 = 59719^2 + 50540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6120650561 is a prime.

It is a super-2 number, since 2×6120650561² = 74924726579739229442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6120650521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060325280 + 3060325281.

It is an arithmetic number, because the mean of its divisors is an integer number (3060325281).

Almost surely, 2^6120650561 is an apocalyptic number.

It is an amenable number.

6120650561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6120650561 is an equidigital number, since it uses as much as digits as its factorization.

6120650561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 6120650561 is about 78234.5867311894. The cubic root of 6120650561 is about 1829.2196660095.

The spelling of 6120650561 in words is "six billion, one hundred twenty million, six hundred fifty thousand, five hundred sixty-one".