475871629 has 2 divisors, whose sum is σ = 475871630. Its totient is φ = 475871628.

The previous prime is 475871623. The next prime is 475871647. The reversal of 475871629 is 926178574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427248900 + 48622729 = 20670^2 + 6973^2 .

It is a cyclic number.

It is not a de Polignac number, because 475871629 - 2⁹ = 475871117 is a prime.

It is a super-2 number, since 2×475871629² = 452907614574227282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475871623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237935814 + 237935815.

It is an arithmetic number, because the mean of its divisors is an integer number (237935815).

Almost surely, 2^475871629 is an apocalyptic number.

It is an amenable number.

475871629 is a deficient number, since it is larger than the sum of its proper divisors (1).

475871629 is an equidigital number, since it uses as much as digits as its factorization.

475871629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 475871629 is about 21814.4820933251. The cubic root of 475871629 is about 780.7223360086.

The spelling of 475871629 in words is "four hundred seventy-five million, eight hundred seventy-one thousand, six hundred twenty-nine".