825772499149 has 8 divisors (see below), whose sum is σ = 889351232672. Its totient is φ = 762202018800.

The previous prime is 825772499141. The next prime is 825772499171. The reversal of 825772499149 is 941994277528.

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 825772499149 - 2³ = 825772499141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825772499141) 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, 1854699 + ... + 2256424.

It is an arithmetic number, because the mean of its divisors is an integer number (111168904084).

Almost surely, 2^825772499149 is an apocalyptic number.

It is an amenable number.

825772499149 is a deficient number, since it is larger than the sum of its proper divisors (63578733523).

825772499149 is a wasteful number, since it uses less digits than its factorization.

825772499149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126587.

The product of its digits is 91445760, while the sum is 67.

The spelling of 825772499149 in words is "eight hundred twenty-five billion, seven hundred seventy-two million, four hundred ninety-nine thousand, one hundred forty-nine".