4457528769 has 8 divisors (see below), whose sum is σ = 5956610400. Its totient is φ = 2965066496.

The previous prime is 4457528767. The next prime is 4457528773. The reversal of 4457528769 is 9678257544.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4457528769 - 2¹ = 4457528767 is a prime.

It is a super-2 number, since 2×4457528769² = 39739125452925310722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4457528767) 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, 1653267 + ... + 1655960.

It is an arithmetic number, because the mean of its divisors is an integer number (744576300).

Almost surely, 2^4457528769 is an apocalyptic number.

It is an amenable number.

4457528769 is a deficient number, since it is larger than the sum of its proper divisors (1499081631).

4457528769 is a wasteful number, since it uses less digits than its factorization.

4457528769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309679.

The product of its digits is 16934400, while the sum is 57.

The square root of 4457528769 is about 66764.7269821423. The cubic root of 4457528769 is about 1645.7532381277.

The spelling of 4457528769 in words is "four billion, four hundred fifty-seven million, five hundred twenty-eight thousand, seven hundred sixty-nine".