52904479709 has 2 divisors, whose sum is σ = 52904479710. Its totient is φ = 52904479708.

The previous prime is 52904479699. The next prime is 52904479729. The reversal of 52904479709 is 90797440925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37696164025 + 15208315684 = 194155^2 + 123322^2 .

It is a cyclic number.

It is not a de Polignac number, because 52904479709 - 2²⁴ = 52887702493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52904479729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26452239854 + 26452239855.

It is an arithmetic number, because the mean of its divisors is an integer number (26452239855).

Almost surely, 2^52904479709 is an apocalyptic number.

It is an amenable number.

52904479709 is a deficient number, since it is larger than the sum of its proper divisors (1).

52904479709 is an equidigital number, since it uses as much as digits as its factorization.

52904479709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 52904479709 in words is "fifty-two billion, nine hundred four million, four hundred seventy-nine thousand, seven hundred nine".