477398269 has 2 divisors, whose sum is σ = 477398270. Its totient is φ = 477398268.

The previous prime is 477398239. The next prime is 477398279. The reversal of 477398269 is 962893774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331713369 + 145684900 = 18213^2 + 12070^2 .

It is a cyclic number.

It is not a de Polignac number, because 477398269 - 2¹¹ = 477396221 is a prime.

It is a super-2 number, since 2×477398269² = 455818214488392722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477398209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238699134 + 238699135.

It is an arithmetic number, because the mean of its divisors is an integer number (238699135).

Almost surely, 2^477398269 is an apocalyptic number.

It is an amenable number.

477398269 is a deficient number, since it is larger than the sum of its proper divisors (1).

477398269 is an equidigital number, since it uses as much as digits as its factorization.

477398269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 55.

The square root of 477398269 is about 21849.4455078384. The cubic root of 477398269 is about 781.5563211884.

The spelling of 477398269 in words is "four hundred seventy-seven million, three hundred ninety-eight thousand, two hundred sixty-nine".