2621445212 has 6 divisors (see below), whose sum is σ = 4587529128. Its totient is φ = 1310722604.

The previous prime is 2621445209. The next prime is 2621445241. The reversal of 2621445212 is 2125441262.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327680648 + ... + 327680655.

It is an arithmetic number, because the mean of its divisors is an integer number (764588188).

Almost surely, 2^2621445212 is an apocalyptic number.

It is an amenable number.

2621445212 is a deficient number, since it is larger than the sum of its proper divisors (1966083916).

2621445212 is a wasteful number, since it uses less digits than its factorization.

2621445212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655361307 (or 655361305 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2621445212 is about 51200.0508984122. The cubic root of 2621445212 is about 1378.8391154311.

Adding to 2621445212 its reverse (2125441262), we get a palindrome (4746886474).

The spelling of 2621445212 in words is "two billion, six hundred twenty-one million, four hundred forty-five thousand, two hundred twelve".