4643636452 has 48 divisors (see below), whose sum is σ = 10009014400. Its totient is φ = 1835695872.

The previous prime is 4643636443. The next prime is 4643636483. The reversal of 4643636452 is 2546363464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4643636399 and 4643636408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599299 + ... + 606997.

Almost surely, 2^4643636452 is an apocalyptic number.

It is an amenable number.

4643636452 is an abundant number, since it is smaller than the sum of its proper divisors (5365377948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4643636452 is a wasteful number, since it uses less digits than its factorization.

4643636452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9380 (or 9378 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The square root of 4643636452 is about 68144.2327126808. The cubic root of 4643636452 is about 1668.3457931036.

The spelling of 4643636452 in words is "four billion, six hundred forty-three million, six hundred thirty-six thousand, four hundred fifty-two".