32416649861 has 2 divisors, whose sum is σ = 32416649862. Its totient is φ = 32416649860.

The previous prime is 32416649851. The next prime is 32416649887. The reversal of 32416649861 is 16894661423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32366168836 + 50481025 = 179906^2 + 7105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32416649861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32416649821) 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, 16208324930 + 16208324931.

It is an arithmetic number, because the mean of its divisors is an integer number (16208324931).

Almost surely, 2^32416649861 is an apocalyptic number.

It is an amenable number.

32416649861 is a deficient number, since it is larger than the sum of its proper divisors (1).

32416649861 is an equidigital number, since it uses as much as digits as its factorization.

32416649861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The spelling of 32416649861 in words is "thirty-two billion, four hundred sixteen million, six hundred forty-nine thousand, eight hundred sixty-one".