32449991601 has 4 divisors (see below), whose sum is σ = 43266655472. Its totient is φ = 21633327732.

The previous prime is 32449991593. The next prime is 32449991621. The reversal of 32449991601 is 10619994423.

It is a happy number.

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 not a de Polignac number, because 32449991601 - 2³ = 32449991593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32449991621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5408331931 + ... + 5408331936.

It is an arithmetic number, because the mean of its divisors is an integer number (10816663868).

Almost surely, 2^32449991601 is an apocalyptic number.

It is an amenable number.

32449991601 is a deficient number, since it is larger than the sum of its proper divisors (10816663871).

32449991601 is a wasteful number, since it uses less digits than its factorization.

32449991601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816663870.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 32449991601 in words is "thirty-two billion, four hundred forty-nine million, nine hundred ninety-one thousand, six hundred one".