825226377489 has 12 divisors (see below), whose sum is σ = 1236141569936. Its totient is φ = 550150918164.

The previous prime is 825226377433. The next prime is 825226377499. The reversal of 825226377489 is 984773622528.

825226377489 is a `hidden beast` number, since 8 + 2 + 5 + 22 + 63 + 77 + 489 = 666.

It is not a de Polignac number, because 825226377489 - 2¹² = 825226373393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825226377499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1697996419 + ... + 1697996904.

Almost surely, 2^825226377489 is an apocalyptic number.

It is an amenable number.

825226377489 is a deficient number, since it is larger than the sum of its proper divisors (410915192447).

825226377489 is an equidigital number, since it uses as much as digits as its factorization.

825226377489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395993338 (or 3395993326 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 825226377489 in words is "eight hundred twenty-five billion, two hundred twenty-six million, three hundred seventy-seven thousand, four hundred eighty-nine".