32816399617 has 4 divisors (see below), whose sum is σ = 33372609840. Its totient is φ = 32260189396.

The previous prime is 32816399587. The next prime is 32816399659. The reversal of 32816399617 is 71699361823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32816399617 - 2⁷ = 32816399489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32816399717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278105023 + ... + 278105140.

It is an arithmetic number, because the mean of its divisors is an integer number (8343152460).

Almost surely, 2^32816399617 is an apocalyptic number.

It is an amenable number.

32816399617 is a deficient number, since it is larger than the sum of its proper divisors (556210223).

32816399617 is an equidigital number, since it uses as much as digits as its factorization.

32816399617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556210222.

The product of its digits is 2939328, while the sum is 55.

The spelling of 32816399617 in words is "thirty-two billion, eight hundred sixteen million, three hundred ninety-nine thousand, six hundred seventeen".