471423791 has 2 divisors, whose sum is σ = 471423792. Its totient is φ = 471423790.

The previous prime is 471423779. The next prime is 471423793. The reversal of 471423791 is 197324174.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471423791 is a prime.

Together with 471423793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471423793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235711895 + 235711896.

It is an arithmetic number, because the mean of its divisors is an integer number (235711896).

Almost surely, 2^471423791 is an apocalyptic number.

471423791 is a deficient number, since it is larger than the sum of its proper divisors (1).

471423791 is an equidigital number, since it uses as much as digits as its factorization.

471423791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 471423791 is about 21712.2958482055. The cubic root of 471423791 is about 778.2823208862.

The spelling of 471423791 in words is "four hundred seventy-one million, four hundred twenty-three thousand, seven hundred ninety-one".