39993333664407 has 4 divisors (see below), whose sum is σ = 53324444885880. Its totient is φ = 26662222442936.

The previous prime is 39993333664327. The next prime is 39993333664429. The reversal of 39993333664407 is 70446633339993.

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 39993333664407 - 2¹² = 39993333660311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39993333664457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6665555610732 + ... + 6665555610737.

It is an arithmetic number, because the mean of its divisors is an integer number (13331111221470).

Almost surely, 2^{39993333664407} is an apocalyptic number.

39993333664407 is a deficient number, since it is larger than the sum of its proper divisors (13331111221473).

39993333664407 is a wasteful number, since it uses less digits than its factorization.

39993333664407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13331111221472.

The product of its (nonzero) digits is 714256704, while the sum is 69.

The spelling of 39993333664407 in words is "thirty-nine trillion, nine hundred ninety-three billion, three hundred thirty-three million, six hundred sixty-four thousand, four hundred seven".