479624897809 has 2 divisors, whose sum is σ = 479624897810. Its totient is φ = 479624897808.

The previous prime is 479624897789. The next prime is 479624897827. The reversal of 479624897809 is 908798426974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472319435025 + 7305462784 = 687255^2 + 85472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479624897809 is a prime.

It is not a weakly prime, because it can be changed into another prime (479624097809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239812448904 + 239812448905.

It is an arithmetic number, because the mean of its divisors is an integer number (239812448905).

Almost surely, 2^479624897809 is an apocalyptic number.

It is an amenable number.

479624897809 is a deficient number, since it is larger than the sum of its proper divisors (1).

479624897809 is an equidigital number, since it uses as much as digits as its factorization.

479624897809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 479624897809 in words is "four hundred seventy-nine billion, six hundred twenty-four million, eight hundred ninety-seven thousand, eight hundred nine".