2520810993 has 16 divisors (see below), whose sum is σ = 3480534720. Its totient is φ = 1620932544.

The previous prime is 2520810947. The next prime is 2520811003. The reversal of 2520810993 is 3990180252.

It is not a de Polignac number, because 2520810993 - 2¹⁶ = 2520745457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2520810493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73830 + ... + 102432.

It is an arithmetic number, because the mean of its divisors is an integer number (217533420).

Almost surely, 2^2520810993 is an apocalyptic number.

It is an amenable number.

2520810993 is a deficient number, since it is larger than the sum of its proper divisors (959723727).

2520810993 is a wasteful number, since it uses less digits than its factorization.

2520810993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29648.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2520810993 is about 50207.6786258835. The cubic root of 2520810993 is about 1360.9643882498.

The spelling of 2520810993 in words is "two billion, five hundred twenty million, eight hundred ten thousand, nine hundred ninety-three".