471921539 has 2 divisors, whose sum is σ = 471921540. Its totient is φ = 471921538.

The previous prime is 471921533. The next prime is 471921557. The reversal of 471921539 is 935129174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471921539 - 2⁴ = 471921523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 471921496 and 471921505.

It is not a weakly prime, because it can be changed into another prime (471921533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235960769 + 235960770.

It is an arithmetic number, because the mean of its divisors is an integer number (235960770).

Almost surely, 2^471921539 is an apocalyptic number.

471921539 is a deficient number, since it is larger than the sum of its proper divisors (1).

471921539 is an equidigital number, since it uses as much as digits as its factorization.

471921539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 471921539 is about 21723.7551772248. The cubic root of 471921539 is about 778.5561383557.

The spelling of 471921539 in words is "four hundred seventy-one million, nine hundred twenty-one thousand, five hundred thirty-nine".