3206912999947 has 4 divisors (see below), whose sum is σ = 3236334220240. Its totient is φ = 3177491779656.

The previous prime is 3206912999879. The next prime is 3206912999971. The reversal of 3206912999947 is 7499992196023.

3206912999947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3206912999947 - 2⁷ = 3206912999819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3206912909947) 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, 14710609983 + ... + 14710610200.

It is an arithmetic number, because the mean of its divisors is an integer number (809083555060).

Almost surely, 2^{3206912999947} is an apocalyptic number.

3206912999947 is a deficient number, since it is larger than the sum of its proper divisors (29421220293).

3206912999947 is a wasteful number, since it uses less digits than its factorization.

3206912999947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29421220292.

The product of its (nonzero) digits is 119042784, while the sum is 70.

The spelling of 3206912999947 in words is "three trillion, two hundred six billion, nine hundred twelve million, nine hundred ninety-nine thousand, nine hundred forty-seven".