4012855404479 has 4 divisors (see below), whose sum is σ = 4080869902920. Its totient is φ = 3944840906040.

The previous prime is 4012855404469. The next prime is 4012855404499. The reversal of 4012855404479 is 9744045582104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4012855404479 - 2⁸ = 4012855404223 is a prime.

It is a super-2 number, since 2×4012855404479² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4012855404479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012855404469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34007249132 + ... + 34007249249.

It is an arithmetic number, because the mean of its divisors is an integer number (1020217475730).

Almost surely, 2^{4012855404479} is an apocalyptic number.

4012855404479 is a deficient number, since it is larger than the sum of its proper divisors (68014498441).

4012855404479 is an equidigital number, since it uses as much as digits as its factorization.

4012855404479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68014498440.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 4012855404479 in words is "four trillion, twelve billion, eight hundred fifty-five million, four hundred four thousand, four hundred seventy-nine".