476404734644009 has 2 divisors, whose sum is σ = 476404734644010. Its totient is φ = 476404734644008.

The previous prime is 476404734643987. The next prime is 476404734644011. The reversal of 476404734644009 is 900446437404674.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335202087675625 + 141202646968384 = 18308525^2 + 11882872^2 .

It is a cyclic number.

It is not a de Polignac number, because 476404734644009 - 2⁸ = 476404734643753 is a prime.

It is a super-2 number, since 2×476404734644009² (a number of 30 digits) contains 22 as substring.

Together with 476404734644011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (476404734664009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238202367322004 + 238202367322005.

It is an arithmetic number, because the mean of its divisors is an integer number (238202367322005).

Almost surely, 2^{476404734644009} is an apocalyptic number.

It is an amenable number.

476404734644009 is a deficient number, since it is larger than the sum of its proper divisors (1).

476404734644009 is an equidigital number, since it uses as much as digits as its factorization.

476404734644009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 62.

The spelling of 476404734644009 in words is "four hundred seventy-six trillion, four hundred four billion, seven hundred thirty-four million, six hundred forty-four thousand, nine".