2621446016634 has 12 divisors (see below), whose sum is σ = 5679799702746. Its totient is φ = 873815338872.

The previous prime is 2621446016611. The next prime is 2621446016647. The reversal of 2621446016634 is 4366106441262.

2621446016634 is a `hidden beast` number, since 2 + 6 + 2 + 1 + 4 + 4 + 6 + 0 + 1 + 6 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2573088687225 + 48357329409 = 1604085^2 + 219903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2621446016634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72817944889 + ... + 72817944924.

Almost surely, 2^{2621446016634} is an apocalyptic number.

2621446016634 is an abundant number, since it is smaller than the sum of its proper divisors (3058353686112).

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

2621446016634 is a wasteful number, since it uses less digits than its factorization.

2621446016634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145635889821 (or 145635889818 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 2621446016634 in words is "two trillion, six hundred twenty-one billion, four hundred forty-six million, sixteen thousand, six hundred thirty-four".