475796491 has 2 divisors, whose sum is σ = 475796492. Its totient is φ = 475796490.

The previous prime is 475796467. The next prime is 475796509. The reversal of 475796491 is 194697574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475796491 - 2¹¹ = 475794443 is a prime.

It is not a weakly prime, because it can be changed into another prime (475796411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237898245 + 237898246.

It is an arithmetic number, because the mean of its divisors is an integer number (237898246).

Almost surely, 2^475796491 is an apocalyptic number.

475796491 is a deficient number, since it is larger than the sum of its proper divisors (1).

475796491 is an equidigital number, since it uses as much as digits as its factorization.

475796491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 475796491 is about 21812.7598208021. The cubic root of 475796491 is about 780.6812429917.

The spelling of 475796491 in words is "four hundred seventy-five million, seven hundred ninety-six thousand, four hundred ninety-one".