39894903430 has 16 divisors (see below), whose sum is σ = 71822233440. Its totient is φ = 15955426432.

The previous prime is 39894903427. The next prime is 39894903443. The reversal of 39894903430 is 3430949893.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 250099 + ... + 377278.

It is an arithmetic number, because the mean of its divisors is an integer number (4488889590).

Almost surely, 2^39894903430 is an apocalyptic number.

39894903430 is a deficient number, since it is larger than the sum of its proper divisors (31927330010).

39894903430 is a wasteful number, since it uses less digits than its factorization.

39894903430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633743.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 39894903430 in words is "thirty-nine billion, eight hundred ninety-four million, nine hundred three thousand, four hundred thirty".