479073389 has 2 divisors, whose sum is σ = 479073390. Its totient is φ = 479073388.

The previous prime is 479073341. The next prime is 479073403. The reversal of 479073389 is 983370974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464057764 + 15015625 = 21542^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 479073389 - 2¹² = 479069293 is a prime.

It is a super-2 number, since 2×479073389² = 459022624095890642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479073589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239536694 + 239536695.

It is an arithmetic number, because the mean of its divisors is an integer number (239536695).

Almost surely, 2^479073389 is an apocalyptic number.

It is an amenable number.

479073389 is a deficient number, since it is larger than the sum of its proper divisors (1).

479073389 is an equidigital number, since it uses as much as digits as its factorization.

479073389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 479073389 is about 21887.7451785240. The cubic root of 479073389 is about 782.4693759854.

The spelling of 479073389 in words is "four hundred seventy-nine million, seventy-three thousand, three hundred eighty-nine".