869503445 has 16 divisors (see below), whose sum is σ = 1056632688. Its totient is φ = 686822400.

The previous prime is 869503429. The next prime is 869503463. The reversal of 869503445 is 544305968.

It can be written as a sum of positive squares in 8 ways, for example, as 786769 + 868716676 = 887^2 + 29474^2 .

It is not a de Polignac number, because 869503445 - 2⁴ = 869503429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869503396 and 869503405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198317 + ... + 202653.

It is an arithmetic number, because the mean of its divisors is an integer number (66039543).

Almost surely, 2^869503445 is an apocalyptic number.

It is an amenable number.

869503445 is a deficient number, since it is larger than the sum of its proper divisors (187129243).

869503445 is a wasteful number, since it uses less digits than its factorization.

869503445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 869503445 is about 29487.3438105232. The cubic root of 869503445 is about 954.4586151455.

The spelling of 869503445 in words is "eight hundred sixty-nine million, five hundred three thousand, four hundred forty-five".