2420561369 has 2 divisors, whose sum is σ = 2420561370. Its totient is φ = 2420561368.

The previous prime is 2420561359. The next prime is 2420561389. The reversal of 2420561369 is 9631650242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1549603225 + 870958144 = 39365^2 + 29512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420561369 - 2⁸ = 2420561113 is a prime.

It is a super-2 number, since 2×2420561369² = 11718234682190308322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2420561359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210280684 + 1210280685.

It is an arithmetic number, because the mean of its divisors is an integer number (1210280685).

Almost surely, 2^2420561369 is an apocalyptic number.

It is an amenable number.

2420561369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420561369 is an equidigital number, since it uses as much as digits as its factorization.

2420561369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2420561369 is about 49199.2008979821. The cubic root of 2420561369 is about 1342.6784935373.

The spelling of 2420561369 in words is "two billion, four hundred twenty million, five hundred sixty-one thousand, three hundred sixty-nine".