824000672609 has 2 divisors, whose sum is σ = 824000672610. Its totient is φ = 824000672608.

The previous prime is 824000672603. The next prime is 824000672639. The reversal of 824000672609 is 906276000428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690348280384 + 133652392225 = 830872^2 + 365585^2 .

It is a cyclic number.

It is not a de Polignac number, because 824000672609 - 2³⁶ = 755281195873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 824000672609.

It is not a weakly prime, because it can be changed into another prime (824000672603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412000336304 + 412000336305.

It is an arithmetic number, because the mean of its divisors is an integer number (412000336305).

Almost surely, 2^824000672609 is an apocalyptic number.

It is an amenable number.

824000672609 is a deficient number, since it is larger than the sum of its proper divisors (1).

824000672609 is an equidigital number, since it uses as much as digits as its factorization.

824000672609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 824000672609 in words is "eight hundred twenty-four billion, six hundred seventy-two thousand, six hundred nine".