1449528729 has 8 divisors (see below), whose sum is σ = 2108405472. Its totient is φ = 878502240.

The previous prime is 1449528653. The next prime is 1449528797. The reversal of 1449528729 is 9278259441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1449528729 - 2¹² = 1449524633 is a prime.

It is a super-2 number, since 2×1449528729² = 4202267072392710882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1449528799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21962524 + ... + 21962589.

It is an arithmetic number, because the mean of its divisors is an integer number (263550684).

Almost surely, 2^1449528729 is an apocalyptic number.

It is an amenable number.

1449528729 is a deficient number, since it is larger than the sum of its proper divisors (658876743).

1449528729 is a wasteful number, since it uses less digits than its factorization.

1449528729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43925127.

The product of its digits is 1451520, while the sum is 51.

The square root of 1449528729 is about 38072.6769350410. The cubic root of 1449528729 is about 1131.7285599988.

The spelling of 1449528729 in words is "one billion, four hundred forty-nine million, five hundred twenty-eight thousand, seven hundred twenty-nine".