39954659803 has 16 divisors (see below), whose sum is σ = 40985680320. Its totient is φ = 38937225600.

The previous prime is 39954659779. The next prime is 39954659807. The reversal of 39954659803 is 30895645993.

It is a cyclic number.

It is not a de Polignac number, because 39954659803 - 2²¹ = 39952562651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39954659807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3432333 + ... + 3443953.

It is an arithmetic number, because the mean of its divisors is an integer number (2561605020).

Almost surely, 2^39954659803 is an apocalyptic number.

39954659803 is a deficient number, since it is larger than the sum of its proper divisors (1031020517).

39954659803 is a wasteful number, since it uses less digits than its factorization.

39954659803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198.

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 39954659803 in words is "thirty-nine billion, nine hundred fifty-four million, six hundred fifty-nine thousand, eight hundred three".