32199387409 has 16 divisors (see below), whose sum is σ = 37664725120. Its totient is φ = 26950734720.

The previous prime is 32199387397. The next prime is 32199387449. The reversal of 32199387409 is 90478399123.

It is not a de Polignac number, because 32199387409 - 2²⁹ = 31662516497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32199387409.

It is not an unprimeable number, because it can be changed into a prime (32199387449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412119 + ... + 1434739.

It is an arithmetic number, because the mean of its divisors is an integer number (2354045320).

Almost surely, 2^32199387409 is an apocalyptic number.

It is an amenable number.

32199387409 is a deficient number, since it is larger than the sum of its proper divisors (5465337711).

32199387409 is a wasteful number, since it uses less digits than its factorization.

32199387409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27400.

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

The spelling of 32199387409 in words is "thirty-two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, four hundred nine".