471921629 has 2 divisors, whose sum is σ = 471921630. Its totient is φ = 471921628.

The previous prime is 471921623. The next prime is 471921661. The reversal of 471921629 is 926129174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471324100 + 597529 = 21710^2 + 773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471921629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471921623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235960814 + 235960815.

It is an arithmetic number, because the mean of its divisors is an integer number (235960815).

Almost surely, 2^471921629 is an apocalyptic number.

It is an amenable number.

471921629 is a deficient number, since it is larger than the sum of its proper divisors (1).

471921629 is an equidigital number, since it uses as much as digits as its factorization.

471921629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 471921629 is about 21723.7572486897. The cubic root of 471921629 is about 778.5561878484.

The spelling of 471921629 in words is "four hundred seventy-one million, nine hundred twenty-one thousand, six hundred twenty-nine".