2438423421 has 8 divisors (see below), whose sum is σ = 3715692864. Its totient is φ = 1393384800.

The previous prime is 2438423411. The next prime is 2438423423. The reversal of 2438423421 is 1243248342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2438423421 - 2⁶ = 2438423357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438423423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58057680 + ... + 58057721.

It is an arithmetic number, because the mean of its divisors is an integer number (464461608).

Almost surely, 2^2438423421 is an apocalyptic number.

2438423421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2438423421 is a deficient number, since it is larger than the sum of its proper divisors (1277269443).

2438423421 is a wasteful number, since it uses less digits than its factorization.

2438423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116115411.

The product of its digits is 36864, while the sum is 33.

The square root of 2438423421 is about 49380.3951077753. The cubic root of 2438423421 is about 1345.9730793115.

The spelling of 2438423421 in words is "two billion, four hundred thirty-eight million, four hundred twenty-three thousand, four hundred twenty-one".