2438428049 has 4 divisors (see below), whose sum is σ = 2451194880. Its totient is φ = 2425661220.

The previous prime is 2438428043. The next prime is 2438428063. The reversal of 2438428049 is 9408248342.

2438428049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2438428049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2438428043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6383129 + ... + 6383510.

It is an arithmetic number, because the mean of its divisors is an integer number (612798720).

Almost surely, 2^2438428049 is an apocalyptic number.

It is an amenable number.

2438428049 is a deficient number, since it is larger than the sum of its proper divisors (12766831).

2438428049 is a wasteful number, since it uses less digits than its factorization.

2438428049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766830.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 2438428049 is about 49380.4419684555. The cubic root of 2438428049 is about 1345.9739308397.

The spelling of 2438428049 in words is "two billion, four hundred thirty-eight million, four hundred twenty-eight thousand, forty-nine".