1449475765 has 16 divisors (see below), whose sum is σ = 1762117632. Its totient is φ = 1144511424.

The previous prime is 1449475763. The next prime is 1449475771. The reversal of 1449475765 is 5675749441.

It is a cyclic number.

It is not a de Polignac number, because 1449475765 - 2¹ = 1449475763 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 (1449475763) 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, 119302 + ... + 130888.

It is an arithmetic number, because the mean of its divisors is an integer number (110132352).

Almost surely, 2^1449475765 is an apocalyptic number.

It is an amenable number.

1449475765 is a deficient number, since it is larger than the sum of its proper divisors (312641867).

1449475765 is a wasteful number, since it uses less digits than its factorization.

1449475765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11916.

The product of its digits is 4233600, while the sum is 52.

The square root of 1449475765 is about 38071.9813642526. The cubic root of 1449475765 is about 1131.7147758403.

The spelling of 1449475765 in words is "one billion, four hundred forty-nine million, four hundred seventy-five thousand, seven hundred sixty-five".