2420899867 has 2 divisors, whose sum is σ = 2420899868. Its totient is φ = 2420899866.

The previous prime is 2420899861. The next prime is 2420899879. The reversal of 2420899867 is 7689980242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420899867 - 2¹⁹ = 2420375579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420899861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210449933 + 1210449934.

It is an arithmetic number, because the mean of its divisors is an integer number (1210449934).

Almost surely, 2^2420899867 is an apocalyptic number.

2420899867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420899867 is an equidigital number, since it uses as much as digits as its factorization.

2420899867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 2420899867 is about 49202.6408539217. The cubic root of 2420899867 is about 1342.7410785787.

The spelling of 2420899867 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, eight hundred sixty-seven".