2420899864 has 16 divisors (see below), whose sum is σ = 4685613120. Its totient is φ = 1171403040.

The previous prime is 2420899861. The next prime is 2420899867. The reversal of 2420899864 is 4689980242.

It is an interprime number because it is at equal distance from previous prime (2420899861) and next prime (2420899867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420899861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4880599 + ... + 4881094.

It is an arithmetic number, because the mean of its divisors is an integer number (292850820).

Almost surely, 2^2420899864 is an apocalyptic number.

It is an amenable number.

2420899864 is a deficient number, since it is larger than the sum of its proper divisors (2264713256).

2420899864 is a wasteful number, since it uses less digits than its factorization.

2420899864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761730 (or 9761726 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 2420899864 is about 49202.6408234355. The cubic root of 2420899864 is about 1342.7410780240.

The spelling of 2420899864 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, eight hundred sixty-four".