4385121964 has 6 divisors (see below), whose sum is σ = 7673963444. Its totient is φ = 2192560980.

The previous prime is 4385121953. The next prime is 4385121991. The reversal of 4385121964 is 4691215834.

It is a self number, because there is not a number n which added to its sum of digits gives 4385121964.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 548140242 + ... + 548140249.

Almost surely, 2^4385121964 is an apocalyptic number.

It is an amenable number.

4385121964 is a deficient number, since it is larger than the sum of its proper divisors (3288841480).

4385121964 is a wasteful number, since it uses less digits than its factorization.

4385121964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096280495 (or 1096280493 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 4385121964 is about 66220.2534274824. The cubic root of 4385121964 is about 1636.7935023003.

The spelling of 4385121964 in words is "four billion, three hundred eighty-five million, one hundred twenty-one thousand, nine hundred sixty-four".