449774607723 has 48 divisors (see below), whose sum is σ = 717325136640. Its totient is φ = 249767146944.

The previous prime is 449774607697. The next prime is 449774607727. The reversal of 449774607723 is 327706477944.

It is not a de Polignac number, because 449774607723 - 2²¹ = 449772510571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449774607727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4514040 + ... + 4612602.

It is an arithmetic number, because the mean of its divisors is an integer number (14944273680).

Almost surely, 2^449774607723 is an apocalyptic number.

449774607723 is a deficient number, since it is larger than the sum of its proper divisors (267550528917).

449774607723 is a wasteful number, since it uses less digits than its factorization.

449774607723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99456 (or 99449 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 60.

The spelling of 449774607723 in words is "four hundred forty-nine billion, seven hundred seventy-four million, six hundred seven thousand, seven hundred twenty-three".