4008671685253 has 4 divisors (see below), whose sum is σ = 4009752484780. Its totient is φ = 4007590885728.

The previous prime is 4008671685241. The next prime is 4008671685283. The reversal of 4008671685253 is 3525861768004.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1021298211649 + 2987373473604 = 1010593^2 + 1728402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4008671685253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4008671685194 and 4008671685203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008671685203) 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, 540394200 + ... + 540401617.

It is an arithmetic number, because the mean of its divisors is an integer number (1002438121195).

Almost surely, 2^{4008671685253} is an apocalyptic number.

It is an amenable number.

4008671685253 is a deficient number, since it is larger than the sum of its proper divisors (1080799527).

4008671685253 is a wasteful number, since it uses less digits than its factorization.

4008671685253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080799526.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 4008671685253 in words is "four trillion, eight billion, six hundred seventy-one million, six hundred eighty-five thousand, two hundred fifty-three".