32199387406 has 4 divisors (see below), whose sum is σ = 48299081112. Its totient is φ = 16099693702.

The previous prime is 32199387397. The next prime is 32199387449. The reversal of 32199387406 is 60478399123.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8049846850 + ... + 8049846853.

It is an arithmetic number, because the mean of its divisors is an integer number (12074770278).

Almost surely, 2^32199387406 is an apocalyptic number.

32199387406 is a deficient number, since it is larger than the sum of its proper divisors (16099693706).

32199387406 is a wasteful number, since it uses less digits than its factorization.

32199387406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16099693705.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 32199387406 in words is "thirty-two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, four hundred six".