2420406899 has 2 divisors, whose sum is σ = 2420406900. Its totient is φ = 2420406898.

The previous prime is 2420406881. The next prime is 2420406913. The reversal of 2420406899 is 9986040242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420406899 is a prime.

It is a super-4 number, since 4×2420406899⁴ (a number of 39 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2420406829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210203449 + 1210203450.

It is an arithmetic number, because the mean of its divisors is an integer number (1210203450).

Almost surely, 2^2420406899 is an apocalyptic number.

2420406899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420406899 is an equidigital number, since it uses as much as digits as its factorization.

2420406899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2420406899 is about 49197.6310303657. The cubic root of 2420406899 is about 1342.6499315734.

The spelling of 2420406899 in words is "two billion, four hundred twenty million, four hundred six thousand, eight hundred ninety-nine".