2121461624 has 8 divisors (see below), whose sum is σ = 3977740560. Its totient is φ = 1060730808.

The previous prime is 2121461593. The next prime is 2121461743. The reversal of 2121461624 is 4261641212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132591344 + ... + 132591359.

It is an arithmetic number, because the mean of its divisors is an integer number (497217570).

Almost surely, 2^2121461624 is an apocalyptic number.

It is an amenable number.

2121461624 is a deficient number, since it is larger than the sum of its proper divisors (1856278936).

2121461624 is a wasteful number, since it uses less digits than its factorization.

2121461624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265182709 (or 265182705 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 2121461624 is about 46059.3272204447. The cubic root of 2121461624 is about 1284.9268176363.

The spelling of 2121461624 in words is "two billion, one hundred twenty-one million, four hundred sixty-one thousand, six hundred twenty-four".