825193331794 has 16 divisors (see below), whose sum is σ = 1337748413400. Its totient is φ = 379503089280.

The previous prime is 825193331783. The next prime is 825193331801. The reversal of 825193331794 is 497133391528.

It can be written as a sum of positive squares in 4 ways, for example, as 419249775025 + 405943556769 = 647495^2 + 637137^2 .

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 7 ways as a sum of consecutive naturals, for example, 56466369 + ... + 56480980.

Almost surely, 2^825193331794 is an apocalyptic number.

825193331794 is a deficient number, since it is larger than the sum of its proper divisors (512555081606).

825193331794 is a wasteful number, since it uses less digits than its factorization.

825193331794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112947645.

The product of its digits is 4898880, while the sum is 55.

The spelling of 825193331794 in words is "eight hundred twenty-five billion, one hundred ninety-three million, three hundred thirty-one thousand, seven hundred ninety-four".