64432838835 has 48 divisors (see below), whose sum is σ = 112798576800. Its totient is φ = 34022799360.

The previous prime is 64432838737. The next prime is 64432838839. The reversal of 64432838835 is 53883823446.

64432838835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64432838835 - 2⁸ = 64432838579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64432838839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1831491 + ... + 1866339.

It is an arithmetic number, because the mean of its divisors is an integer number (2349970350).

Almost surely, 2^64432838835 is an apocalyptic number.

64432838835 is a deficient number, since it is larger than the sum of its proper divisors (48365737965).

64432838835 is a wasteful number, since it uses less digits than its factorization.

64432838835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35268 (or 35265 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The spelling of 64432838835 in words is "sixty-four billion, four hundred thirty-two million, eight hundred thirty-eight thousand, eight hundred thirty-five".