479011381 has 2 divisors, whose sum is σ = 479011382. Its totient is φ = 479011380.

The previous prime is 479011373. The next prime is 479011399. The reversal of 479011381 is 183110974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478078225 + 933156 = 21865^2 + 966^2 .

It is a cyclic number.

It is not a de Polignac number, because 479011381 - 2³ = 479011373 is a prime.

It is a super-2 number, since 2×479011381² = 458903806255054322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479011781) 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, 239505690 + 239505691.

It is an arithmetic number, because the mean of its divisors is an integer number (239505691).

Almost surely, 2^479011381 is an apocalyptic number.

It is an amenable number.

479011381 is a deficient number, since it is larger than the sum of its proper divisors (1).

479011381 is an equidigital number, since it uses as much as digits as its factorization.

479011381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 479011381 is about 21886.3286322764. The cubic root of 479011381 is about 782.4356153580.

The spelling of 479011381 in words is "four hundred seventy-nine million, eleven thousand, three hundred eighty-one".