2420646253 has 16 divisors (see below), whose sum is σ = 2526382080. Its totient is φ = 2316787200.

The previous prime is 2420646251. The next prime is 2420646271. The reversal of 2420646253 is 3526460242.

It is a cyclic number.

It is not a de Polignac number, because 2420646253 - 2¹ = 2420646251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420646251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162173 + ... + 1164253.

It is an arithmetic number, because the mean of its divisors is an integer number (157898880).

Almost surely, 2^2420646253 is an apocalyptic number.

It is an amenable number.

2420646253 is a deficient number, since it is larger than the sum of its proper divisors (105735827).

2420646253 is a wasteful number, since it uses less digits than its factorization.

2420646253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2420646253 is about 49200.0635467069. The cubic root of 2420646253 is about 1342.6941883248.

The spelling of 2420646253 in words is "two billion, four hundred twenty million, six hundred forty-six thousand, two hundred fifty-three".