2458445649 has 32 divisors (see below), whose sum is σ = 3762218880. Its totient is φ = 1414310400.

The previous prime is 2458445609. The next prime is 2458445657. The reversal of 2458445649 is 9465448542.

It is not a de Polignac number, because 2458445649 - 2²³ = 2450057041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2458445609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25507 + ... + 74615.

It is an arithmetic number, because the mean of its divisors is an integer number (117569340).

Almost surely, 2^2458445649 is an apocalyptic number.

It is an amenable number.

2458445649 is a deficient number, since it is larger than the sum of its proper divisors (1303773231).

2458445649 is a wasteful number, since it uses less digits than its factorization.

2458445649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49201.

The product of its digits is 5529600, while the sum is 51.

The square root of 2458445649 is about 49582.7152241585. The cubic root of 2458445649 is about 1349.6470314527.

The spelling of 2458445649 in words is "two billion, four hundred fifty-eight million, four hundred forty-five thousand, six hundred forty-nine".