873524645409 has 32 divisors (see below), whose sum is σ = 1271954121984. Its totient is φ = 529989626880.

The previous prime is 873524645393. The next prime is 873524645443. The reversal of 873524645409 is 904546425378.

It is not a de Polignac number, because 873524645409 - 2⁴ = 873524645393 is a prime.

It is a super-2 number, since 2×873524645409² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (873524645449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7661629 + ... + 7774805.

It is an arithmetic number, because the mean of its divisors is an integer number (39748566312).

Almost surely, 2^873524645409 is an apocalyptic number.

It is an amenable number.

873524645409 is a deficient number, since it is larger than the sum of its proper divisors (398429476575).

873524645409 is a wasteful number, since it uses less digits than its factorization.

873524645409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115977.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 873524645409 in words is "eight hundred seventy-three billion, five hundred twenty-four million, six hundred forty-five thousand, four hundred nine".