4643643335450 has 48 divisors (see below), whose sum is σ = 9889933283520. Its totient is φ = 1589062043520.

The previous prime is 4643643335407. The next prime is 4643643335473. The reversal of 4643643335450 is 545333463464.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12501035 + ... + 12867134.

It is an arithmetic number, because the mean of its divisors is an integer number (206040276740).

Almost surely, 2^{4643643335450} is an apocalyptic number.

4643643335450 is an abundant number, since it is smaller than the sum of its proper divisors (5246289948070).

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

4643643335450 is a wasteful number, since it uses less digits than its factorization.

4643643335450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25368711 (or 25368706 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 50.

The spelling of 4643643335450 in words is "four trillion, six hundred forty-three billion, six hundred forty-three million, three hundred thirty-five thousand, four hundred fifty".