2421520766 has 16 divisors (see below), whose sum is σ = 4395365856. Its totient is φ = 976747776.

The previous prime is 2421520747. The next prime is 2421520789. The reversal of 2421520766 is 6670251242.

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 7 ways as a sum of consecutive naturals, for example, 5086991 + ... + 5087466.

It is an arithmetic number, because the mean of its divisors is an integer number (274710366).

Almost surely, 2^2421520766 is an apocalyptic number.

2421520766 is a deficient number, since it is larger than the sum of its proper divisors (1973845090).

2421520766 is a wasteful number, since it uses less digits than its factorization.

2421520766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174483.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2421520766 is about 49208.9500599230. The cubic root of 2421520766 is about 1342.8558616998.

The spelling of 2421520766 in words is "two billion, four hundred twenty-one million, five hundred twenty thousand, seven hundred sixty-six".