32619578881 has 2 divisors, whose sum is σ = 32619578882. Its totient is φ = 32619578880.

The previous prime is 32619578861. The next prime is 32619578939. The reversal of 32619578881 is 18887591623.

It is an a-pointer prime, because the next prime (32619578939) can be obtained adding 32619578881 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31190738881 + 1428840000 = 176609^2 + 37800^2 .

It is an emirp because it is prime and its reverse (18887591623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32619578881 - 2⁷ = 32619578753 is a prime.

It is a super-2 number, since 2×32619578881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32619578821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16309789440 + 16309789441.

It is an arithmetic number, because the mean of its divisors is an integer number (16309789441).

Almost surely, 2^32619578881 is an apocalyptic number.

It is an amenable number.

32619578881 is a deficient number, since it is larger than the sum of its proper divisors (1).

32619578881 is an equidigital number, since it uses as much as digits as its factorization.

32619578881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 58.

The spelling of 32619578881 in words is "thirty-two billion, six hundred nineteen million, five hundred seventy-eight thousand, eight hundred eighty-one".