2423849421 has 16 divisors (see below), whose sum is σ = 3812630528. Its totient is φ = 1340377200.

The previous prime is 2423849381. The next prime is 2423849429. The reversal of 2423849421 is 1249483242.

It is not a de Polignac number, because 2423849421 - 2¹⁰ = 2423848397 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2423849421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423849429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860985 + ... + 1862286.

It is an arithmetic number, because the mean of its divisors is an integer number (238289408).

Almost surely, 2^2423849421 is an apocalyptic number.

2423849421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2423849421 is a deficient number, since it is larger than the sum of its proper divisors (1388781107).

2423849421 is a wasteful number, since it uses less digits than its factorization.

2423849421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723312.

The product of its digits is 110592, while the sum is 39.

The square root of 2423849421 is about 49232.6052631790. The cubic root of 2423849421 is about 1343.2861761563.

The spelling of 2423849421 in words is "two billion, four hundred twenty-three million, eight hundred forty-nine thousand, four hundred twenty-one".