404727266430479 has 2 divisors, whose sum is σ = 404727266430480. Its totient is φ = 404727266430478.

The previous prime is 404727266430391. The next prime is 404727266430517. The reversal of 404727266430479 is 974034662727404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404727266430479 is a prime.

It is a super-2 number, since 2×404727266430479² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404727266439479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202363633215239 + 202363633215240.

It is an arithmetic number, because the mean of its divisors is an integer number (202363633215240).

Almost surely, 2^{404727266430479} is an apocalyptic number.

404727266430479 is a deficient number, since it is larger than the sum of its proper divisors (1).

404727266430479 is an equidigital number, since it uses as much as digits as its factorization.

404727266430479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 341397504, while the sum is 65.

The spelling of 404727266430479 in words is "four hundred four trillion, seven hundred twenty-seven billion, two hundred sixty-six million, four hundred thirty thousand, four hundred seventy-nine".