4353643606631 has 16 divisors (see below), whose sum is σ = 5045188135680. Its totient is φ = 3712908919680.

The previous prime is 4353643606621. The next prime is 4353643606643. The reversal of 4353643606631 is 1366063463534.

It is a de Polignac number, because none of the positive numbers 2^k-4353643606631 is a prime.

It is a super-2 number, since 2×4353643606631² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4353643606631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4353643606621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37860371 + ... + 37975188.

It is an arithmetic number, because the mean of its divisors is an integer number (315324258480).

Almost surely, 2^{4353643606631} is an apocalyptic number.

4353643606631 is a deficient number, since it is larger than the sum of its proper divisors (691544529049).

4353643606631 is a wasteful number, since it uses less digits than its factorization.

4353643606631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75835894.

The product of its (nonzero) digits is 8398080, while the sum is 50.

The spelling of 4353643606631 in words is "four trillion, three hundred fifty-three billion, six hundred forty-three million, six hundred six thousand, six hundred thirty-one".