2621434612 has 18 divisors (see below), whose sum is σ = 4873240022. Its totient is φ = 1233615744.

The previous prime is 2621434609. The next prime is 2621434633. The reversal of 2621434612 is 2164341262.

It can be written as a sum of positive squares in 3 ways, for example, as 491242896 + 2130191716 = 22164^2 + 46154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1132683 + ... + 1134994.

Almost surely, 2^2621434612 is an apocalyptic number.

It is an amenable number.

2621434612 is a deficient number, since it is larger than the sum of its proper divisors (2251805410).

2621434612 is a wasteful number, since it uses less digits than its factorization.

2621434612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267715 (or 2267696 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 2621434612 is about 51199.9473827855. The cubic root of 2621434612 is about 1378.8372569506.

Adding to 2621434612 its reverse (2164341262), we get a palindrome (4785775874).

The spelling of 2621434612 in words is "two billion, six hundred twenty-one million, four hundred thirty-four thousand, six hundred twelve".