1449669969 has 12 divisors (see below), whose sum is σ = 2284328592. Its totient is φ = 878587800.

The previous prime is 1449669959. The next prime is 1449669971. The reversal of 1449669969 is 9699669441.

It is not a de Polignac number, because 1449669969 - 2¹⁷ = 1449538897 is a prime.

It is a super-2 number, since 2×1449669969² = 4203086038040921922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1449669929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7321467 + ... + 7321664.

It is an arithmetic number, because the mean of its divisors is an integer number (190360716).

Almost surely, 2^1449669969 is an apocalyptic number.

It is an amenable number.

1449669969 is a deficient number, since it is larger than the sum of its proper divisors (834658623).

1449669969 is a wasteful number, since it uses less digits than its factorization.

1449669969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14643148 (or 14643145 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 63.

The square root of 1449669969 is about 38074.5317633717. The cubic root of 1449669969 is about 1131.7653168075.

The spelling of 1449669969 in words is "one billion, four hundred forty-nine million, six hundred sixty-nine thousand, nine hundred sixty-nine".