2420743979 has 2 divisors, whose sum is σ = 2420743980. Its totient is φ = 2420743978.

The previous prime is 2420743961. The next prime is 2420743987. The reversal of 2420743979 is 9793470242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420743979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420743939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210371989 + 1210371990.

It is an arithmetic number, because the mean of its divisors is an integer number (1210371990).

Almost surely, 2^2420743979 is an apocalyptic number.

2420743979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420743979 is an equidigital number, since it uses as much as digits as its factorization.

2420743979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 2420743979 is about 49201.0566858071. The cubic root of 2420743979 is about 1342.7122571038.

It can be divided in two parts, 24207 and 43979, that added together give a palindrome (68186).

The spelling of 2420743979 in words is "two billion, four hundred twenty million, seven hundred forty-three thousand, nine hundred seventy-nine".