32416649887 has 2 divisors, whose sum is σ = 32416649888. Its totient is φ = 32416649886.

The previous prime is 32416649861. The next prime is 32416649921. The reversal of 32416649887 is 78894661423.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78894661423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32416649887 is a prime.

It is a super-2 number, since 2×32416649887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32416643887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16208324943 + 16208324944.

It is an arithmetic number, because the mean of its divisors is an integer number (16208324944).

Almost surely, 2^32416649887 is an apocalyptic number.

32416649887 is a deficient number, since it is larger than the sum of its proper divisors (1).

32416649887 is an equidigital number, since it uses as much as digits as its factorization.

32416649887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 58.

The spelling of 32416649887 in words is "thirty-two billion, four hundred sixteen million, six hundred forty-nine thousand, eight hundred eighty-seven".