449039249541 has 6 divisors (see below), whose sum is σ = 648612249350. Its totient is φ = 299359499688.

The previous prime is 449039249459. The next prime is 449039249543. The reversal of 449039249541 is 145942930944.

449039249541 is a `hidden beast` number, since 4 + 4 + 9 + 0 + 3 + 92 + 4 + 9 + 541 = 666.

It can be written as a sum of positive squares in only one way, i.e., 279043836516 + 169995413025 = 528246^2 + 412305^2 .

It is not a de Polignac number, because 449039249541 - 2¹⁰ = 449039248517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449039249543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24946624966 + ... + 24946624983.

Almost surely, 2^449039249541 is an apocalyptic number.

It is an amenable number.

449039249541 is a deficient number, since it is larger than the sum of its proper divisors (199572999809).

449039249541 is a wasteful number, since it uses less digits than its factorization.

449039249541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49893249955 (or 49893249952 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 449039249541 in words is "four hundred forty-nine billion, thirty-nine million, two hundred forty-nine thousand, five hundred forty-one".