3504469668 has 96 divisors (see below), whose sum is σ = 9908505600. Its totient is φ = 941694336.

The previous prime is 3504469651. The next prime is 3504469673. The reversal of 3504469668 is 8669644053.

It is a happy number.

3504469668 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 self number, because there is not a number n which added to its sum of digits gives 3504469668.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213946 + ... + 229742.

It is an arithmetic number, because the mean of its divisors is an integer number (103213600).

Almost surely, 2^3504469668 is an apocalyptic number.

3504469668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3504469668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4954252800).

3504469668 is an abundant number, since it is smaller than the sum of its proper divisors (6404035932).

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

3504469668 is a wasteful number, since it uses less digits than its factorization.

3504469668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969 (or 15967 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 3504469668 is about 59198.5613676549. The cubic root of 3504469668 is about 1518.9405226548.

The spelling of 3504469668 in words is "three billion, five hundred four million, four hundred sixty-nine thousand, six hundred sixty-eight".