4000635654143 has 4 divisors (see below), whose sum is σ = 4000774012848. Its totient is φ = 4000497295440.

The previous prime is 4000635654133. The next prime is 4000635654157. The reversal of 4000635654143 is 3414565360004.

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 4000635654143 - 2⁸ = 4000635653887 is a prime.

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 4000635654143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000635654133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69135971 + ... + 69193812.

It is an arithmetic number, because the mean of its divisors is an integer number (1000193503212).

Almost surely, 2^{4000635654143} is an apocalyptic number.

4000635654143 is a deficient number, since it is larger than the sum of its proper divisors (138358705).

4000635654143 is a wasteful number, since it uses less digits than its factorization.

4000635654143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138358704.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 4000635654143 in words is "four trillion, six hundred thirty-five million, six hundred fifty-four thousand, one hundred forty-three".