2421033616 has 15 divisors (see below), whose sum is σ = 4691133993. Its totient is φ = 1210418400.

The previous prime is 2421033611. The next prime is 2421033653. The reversal of 2421033616 is 6163301242.

The square root of 2421033616 is 49204.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 852873616 + 1568160000 = 29204^2 + 39600^2 .

It is a super-2 number, since 2×2421033616² = 11722807539604070912, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421033611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 190666 + ... + 202966.

Almost surely, 2^2421033616 is an apocalyptic number.

2421033616 is the 49204-th square number.

It is an amenable number.

2421033616 is a deficient number, since it is larger than the sum of its proper divisors (2270100377).

2421033616 is an frugal number, since it uses more digits than its factorization.

2421033616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24610 (or 12303 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The cubic root of 2421033616 is about 1342.7658058811.

Multiplying 2421033616 by its product of nonzero digits (5184), we get a square (12550638265344 = 3542688²).

Adding to 2421033616 its reverse (6163301242), we get a palindrome (8584334858).

The spelling of 2421033616 in words is "two billion, four hundred twenty-one million, thirty-three thousand, six hundred sixteen".