2420643434 has 16 divisors (see below), whose sum is σ = 4169530080. Its totient is φ = 1042382160.

The previous prime is 2420643431. The next prime is 2420643437. The reversal of 2420643434 is 4343460242.

It is an interprime number because it is at equal distance from previous prime (2420643431) and next prime (2420643437).

It is a self number, because there is not a number n which added to its sum of digits gives 2420643434.

It is not an unprimeable number, because it can be changed into a prime (2420643431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895089 + ... + 2895924.

It is an arithmetic number, because the mean of its divisors is an integer number (260595630).

Almost surely, 2^2420643434 is an apocalyptic number.

2420643434 is a deficient number, since it is larger than the sum of its proper divisors (1748886646).

2420643434 is a wasteful number, since it uses less digits than its factorization.

2420643434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791045.

The product of its (nonzero) digits is 55296, while the sum is 32.

The square root of 2420643434 is about 49200.0348983616. The cubic root of 2420643434 is about 1342.6936671063.

The spelling of 2420643434 in words is "two billion, four hundred twenty million, six hundred forty-three thousand, four hundred thirty-four".