6396838435 has 24 divisors (see below), whose sum is σ = 8348972400. Its totient is φ = 4702868352.

The previous prime is 6396838411. The next prime is 6396838447. The reversal of 6396838435 is 5348386936.

It is not a de Polignac number, because 6396838435 - 2¹³ = 6396830243 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175141 + ... + 208489.

It is an arithmetic number, because the mean of its divisors is an integer number (347873850).

Almost surely, 2^6396838435 is an apocalyptic number.

6396838435 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6396838435 is a deficient number, since it is larger than the sum of its proper divisors (1952133965).

6396838435 is a wasteful number, since it uses less digits than its factorization.

6396838435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33607 (or 33594 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The square root of 6396838435 is about 79980.2377778411. The cubic root of 6396838435 is about 1856.3297604895.

The spelling of 6396838435 in words is "six billion, three hundred ninety-six million, eight hundred thirty-eight thousand, four hundred thirty-five".