476543027491 has 2 divisors, whose sum is σ = 476543027492. Its totient is φ = 476543027490.

The previous prime is 476543027431. The next prime is 476543027507. The reversal of 476543027491 is 194720345674.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 476543027491 - 2¹³ = 476543019299 is a prime.

It is not a weakly prime, because it can be changed into another prime (476543027431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238271513745 + 238271513746.

It is an arithmetic number, because the mean of its divisors is an integer number (238271513746).

Almost surely, 2^476543027491 is an apocalyptic number.

476543027491 is a deficient number, since it is larger than the sum of its proper divisors (1).

476543027491 is an equidigital number, since it uses as much as digits as its factorization.

476543027491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 476543027491 in words is "four hundred seventy-six billion, five hundred forty-three million, twenty-seven thousand, four hundred ninety-one".