471026326409 has 2 divisors, whose sum is σ = 471026326410. Its totient is φ = 471026326408.

The previous prime is 471026326367. The next prime is 471026326427. The reversal of 471026326409 is 904623620174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406370550784 + 64655775625 = 637472^2 + 254275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471026326409 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 471026326409.

It is not a weakly prime, because it can be changed into another prime (471026326429) 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, 235513163204 + 235513163205.

It is an arithmetic number, because the mean of its divisors is an integer number (235513163205).

Almost surely, 2^471026326409 is an apocalyptic number.

It is an amenable number.

471026326409 is a deficient number, since it is larger than the sum of its proper divisors (1).

471026326409 is an equidigital number, since it uses as much as digits as its factorization.

471026326409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 471026326409 in words is "four hundred seventy-one billion, twenty-six million, three hundred twenty-six thousand, four hundred nine".