3645704442 has 8 divisors (see below), whose sum is σ = 7291408896. Its totient is φ = 1215234812.

The previous prime is 3645704429. The next prime is 3645704449. The reversal of 3645704442 is 2444075463.

3645704442 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3645704442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3645704442.

It is not an unprimeable number, because it can be changed into a prime (3645704449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303808698 + ... + 303808709.

It is an arithmetic number, because the mean of its divisors is an integer number (911426112).

Almost surely, 2^3645704442 is an apocalyptic number.

3645704442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3645704442 is a wasteful number, since it uses less digits than its factorization.

3645704442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607617412.

The product of its (nonzero) digits is 322560, while the sum is 39.

The square root of 3645704442 is about 60379.6691113822. The cubic root of 3645704442 is about 1539.0774879172.

The spelling of 3645704442 in words is "three billion, six hundred forty-five million, seven hundred four thousand, four hundred forty-two".