825509119794 has 32 divisors (see below), whose sum is σ = 1661039170560. Its totient is φ = 273499819152.

The previous prime is 825509119789. The next prime is 825509119859. The reversal of 825509119794 is 497911905528.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16346467 + ... + 16396889.

It is an arithmetic number, because the mean of its divisors is an integer number (51907474080).

Almost surely, 2^825509119794 is an apocalyptic number.

825509119794 is an abundant number, since it is smaller than the sum of its proper divisors (835530050766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825509119794 is a wasteful number, since it uses less digits than its factorization.

825509119794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66934.

The product of its (nonzero) digits is 8164800, while the sum is 60.

The spelling of 825509119794 in words is "eight hundred twenty-five billion, five hundred nine million, one hundred nineteen thousand, seven hundred ninety-four".