1449642571073 has 16 divisors (see below), whose sum is σ = 1530036566016. Its totient is φ = 1371420573120.

The previous prime is 1449642571063. The next prime is 1449642571163. The reversal of 1449642571073 is 3701752469441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1449642571073 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449642571063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659615 + ... + 1826027.

It is an arithmetic number, because the mean of its divisors is an integer number (95627285376).

Almost surely, 2^{1449642571073} is an apocalyptic number.

It is an amenable number.

1449642571073 is a deficient number, since it is larger than the sum of its proper divisors (80393994943).

1449642571073 is a wasteful number, since it uses less digits than its factorization.

1449642571073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167344.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 1449642571073 in words is "one trillion, four hundred forty-nine billion, six hundred forty-two million, five hundred seventy-one thousand, seventy-three".