1449382469 has 6 divisors (see below), whose sum is σ = 1453884390. Its totient is φ = 1444894440.

The previous prime is 1449382423. The next prime is 1449382477. The reversal of 1449382469 is 9642839441.

It can be written as a sum of positive squares in only one way, i.e., 1448944225 + 438244 = 38065^2 + 662^2 .

It is not a de Polignac number, because 1449382469 - 2²⁰ = 1448333893 is a prime.

It is a super-2 number, since 2×1449382469² = 4201419082889071922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449382169) 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, 102947 + ... + 116175.

It is an arithmetic number, because the mean of its divisors is an integer number (242314065).

Almost surely, 2^1449382469 is an apocalyptic number.

It is an amenable number.

1449382469 is a deficient number, since it is larger than the sum of its proper divisors (4501921).

1449382469 is an frugal number, since it uses more digits than its factorization.

1449382469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891 (or 13560 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 1449382469 is about 38070.7560865292. The cubic root of 1449382469 is about 1131.6904942506.

The spelling of 1449382469 in words is "one billion, four hundred forty-nine million, three hundred eighty-two thousand, four hundred sixty-nine".