476647806440543 has 2 divisors, whose sum is σ = 476647806440544. Its totient is φ = 476647806440542.

The previous prime is 476647806440489. The next prime is 476647806440581. The reversal of 476647806440543 is 345044608746674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 476647806440543 - 2⁸ = 476647806440287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476647806440243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238323903220271 + 238323903220272.

It is an arithmetic number, because the mean of its divisors is an integer number (238323903220272).

Almost surely, 2^{476647806440543} is an apocalyptic number.

476647806440543 is a deficient number, since it is larger than the sum of its proper divisors (1).

476647806440543 is an equidigital number, since it uses as much as digits as its factorization.

476647806440543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1300561920, while the sum is 68.

The spelling of 476647806440543 in words is "four hundred seventy-six trillion, six hundred forty-seven billion, eight hundred six million, four hundred forty thousand, five hundred forty-three".