471221479 has 2 divisors, whose sum is σ = 471221480. Its totient is φ = 471221478.

The previous prime is 471221467. The next prime is 471221549. The reversal of 471221479 is 974122174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471221479 - 2¹¹ = 471219431 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 (471221449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235610739 + 235610740.

It is an arithmetic number, because the mean of its divisors is an integer number (235610740).

Almost surely, 2^471221479 is an apocalyptic number.

471221479 is a deficient number, since it is larger than the sum of its proper divisors (1).

471221479 is an equidigital number, since it uses as much as digits as its factorization.

471221479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 471221479 is about 21707.6364213150. The cubic root of 471221479 is about 778.1709714059.

The spelling of 471221479 in words is "four hundred seventy-one million, two hundred twenty-one thousand, four hundred seventy-nine".