3424635621 has 12 divisors (see below), whose sum is σ = 5396395680. Its totient is φ = 2075536680.

The previous prime is 3424635619. The next prime is 3424635653. The reversal of 3424635621 is 1265364243.

3424635621 is a `hidden beast` number, since 3 + 4 + 24 + 6 + 3 + 5 + 621 = 666.

It is not a de Polignac number, because 3424635621 - 2¹ = 3424635619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3424635611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17296041 + ... + 17296238.

It is an arithmetic number, because the mean of its divisors is an integer number (449699640).

Almost surely, 2^3424635621 is an apocalyptic number.

It is an amenable number.

3424635621 is a deficient number, since it is larger than the sum of its proper divisors (1971760059).

3424635621 is a wasteful number, since it uses less digits than its factorization.

3424635621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34592296 (or 34592293 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3424635621 is about 58520.3863709050. The cubic root of 3424635621 is about 1507.3176684342.

Adding to 3424635621 its reverse (1265364243), we get a palindrome (4689999864).

The spelling of 3424635621 in words is "three billion, four hundred twenty-four million, six hundred thirty-five thousand, six hundred twenty-one".