39429618899 has 24 divisors (see below), whose sum is σ = 47471870880. Its totient is φ = 32573192960.

The previous prime is 39429618853. The next prime is 39429618913. The reversal of 39429618899 is 99881692493.

It is not a de Polignac number, because 39429618899 - 2²⁰ = 39428570323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39429618199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270839 + ... + 390144.

It is an arithmetic number, because the mean of its divisors is an integer number (1977994620).

Almost surely, 2^39429618899 is an apocalyptic number.

39429618899 is a deficient number, since it is larger than the sum of its proper divisors (8042251981).

39429618899 is a wasteful number, since it uses less digits than its factorization.

39429618899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661051 (or 661040 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 68.

The spelling of 39429618899 in words is "thirty-nine billion, four hundred twenty-nine million, six hundred eighteen thousand, eight hundred ninety-nine".