1449618505 has 16 divisors (see below), whose sum is σ = 1800691200. Its totient is φ = 1118980800.

The previous prime is 1449618491. The next prime is 1449618517. The reversal of 1449618505 is 5058169441.

It is not a de Polignac number, because 1449618505 - 2¹⁵ = 1449585737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367936 + ... + 371854.

It is an arithmetic number, because the mean of its divisors is an integer number (112543200).

Almost surely, 2^1449618505 is an apocalyptic number.

It is an amenable number.

1449618505 is a deficient number, since it is larger than the sum of its proper divisors (351072695).

1449618505 is a wasteful number, since it uses less digits than its factorization.

1449618505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1449618505 is about 38073.8559250308. The cubic root of 1449618505 is about 1131.7519239064.

The spelling of 1449618505 in words is "one billion, four hundred forty-nine million, six hundred eighteen thousand, five hundred five".