2420163839 has 4 divisors (see below), whose sum is σ = 2426081520. Its totient is φ = 2414246160.

The previous prime is 2420163791. The next prime is 2420163841. The reversal of 2420163839 is 9383610242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420163839 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 (2420169839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2958227 + ... + 2959044.

It is an arithmetic number, because the mean of its divisors is an integer number (606520380).

Almost surely, 2^2420163839 is an apocalyptic number.

2420163839 is a deficient number, since it is larger than the sum of its proper divisors (5917681).

2420163839 is an equidigital number, since it uses as much as digits as its factorization.

2420163839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917680.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2420163839 is about 49195.1607274537. The cubic root of 2420163839 is about 1342.6049865937.

The spelling of 2420163839 in words is "two billion, four hundred twenty million, one hundred sixty-three thousand, eight hundred thirty-nine".