2421964764 has 18 divisors (see below), whose sum is σ = 6122188800. Its totient is φ = 807321576.

The previous prime is 2421964747. The next prime is 2421964771. The reversal of 2421964764 is 4674691242.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33638364 + ... + 33638435.

It is an arithmetic number, because the mean of its divisors is an integer number (340121600).

Almost surely, 2^2421964764 is an apocalyptic number.

It is an amenable number.

2421964764 is an abundant number, since it is smaller than the sum of its proper divisors (3700224036).

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

2421964764 is a wasteful number, since it uses less digits than its factorization.

2421964764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67276809 (or 67276804 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2421964764 is about 49213.4612072754. The cubic root of 2421964764 is about 1342.9379298074.

The spelling of 2421964764 in words is "two billion, four hundred twenty-one million, nine hundred sixty-four thousand, seven hundred sixty-four".