3621469824 has 192 divisors, whose sum is σ = 12351743040. Its totient is φ = 1034643456.

The previous prime is 3621469823. The next prime is 3621469867. The reversal of 3621469824 is 4289641263.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×3621469824² = 26230087372285181952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3621469824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621469823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209412 + ... + 226044.

It is an arithmetic number, because the mean of its divisors is an integer number (64331995).

Almost surely, 2^3621469824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621469824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6175871520).

3621469824 is an abundant number, since it is smaller than the sum of its proper divisors (8730273216).

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

3621469824 is an equidigital number, since it uses as much as digits as its factorization.

3621469824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16669 (or 16645 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 3621469824 is about 60178.6492370841. The cubic root of 3621469824 is about 1535.6595925334.

The spelling of 3621469824 in words is "three billion, six hundred twenty-one million, four hundred sixty-nine thousand, eight hundred twenty-four".