39954706393 has 8 divisors (see below), whose sum is σ = 45667013312. Its totient is φ = 34243522416.

The previous prime is 39954706391. The next prime is 39954706423. The reversal of 39954706393 is 39360745993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39954706393 - 2¹ = 39954706391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39954706391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203055 + ... + 348052.

It is an arithmetic number, because the mean of its divisors is an integer number (5708376664).

Almost surely, 2^39954706393 is an apocalyptic number.

It is an amenable number.

39954706393 is a deficient number, since it is larger than the sum of its proper divisors (5712306919).

39954706393 is a wasteful number, since it uses less digits than its factorization.

39954706393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561471.

The product of its (nonzero) digits is 16533720, while the sum is 58.

The spelling of 39954706393 in words is "thirty-nine billion, nine hundred fifty-four million, seven hundred six thousand, three hundred ninety-three".