39430545556 has 12 divisors (see below), whose sum is σ = 69009871392. Its totient is φ = 19713439448.

The previous prime is 39430545551. The next prime is 39430545643. The reversal of 39430545556 is 65554503493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39430545551) 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, 409360 + ... + 496423.

It is an arithmetic number, because the mean of its divisors is an integer number (5750822616).

Almost surely, 2^39430545556 is an apocalyptic number.

It is an amenable number.

39430545556 is a deficient number, since it is larger than the sum of its proper divisors (29579325836).

39430545556 is a wasteful number, since it uses less digits than its factorization.

39430545556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916670 (or 916668 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 39430545556 in words is "thirty-nine billion, four hundred thirty million, five hundred forty-five thousand, five hundred fifty-six".