475500019 has 2 divisors, whose sum is σ = 475500020. Its totient is φ = 475500018.

The previous prime is 475500007. The next prime is 475500043. The reversal of 475500019 is 910005574.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475500019 is a prime.

It is a super-2 number, since 2×475500019² = 452200536138000722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475500049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237750009 + 237750010.

It is an arithmetic number, because the mean of its divisors is an integer number (237750010).

Almost surely, 2^475500019 is an apocalyptic number.

475500019 is a deficient number, since it is larger than the sum of its proper divisors (1).

475500019 is an equidigital number, since it uses as much as digits as its factorization.

475500019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 475500019 is about 21805.9629230172. The cubic root of 475500019 is about 780.5190600534.

The spelling of 475500019 in words is "four hundred seventy-five million, five hundred thousand, nineteen".