477650969 has 2 divisors, whose sum is σ = 477650970. Its totient is φ = 477650968.

The previous prime is 477650941. The next prime is 477650977. The reversal of 477650969 is 969056774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251539600 + 226111369 = 15860^2 + 15037^2 .

It is a cyclic number.

It is not a de Polignac number, because 477650969 - 2⁸ = 477650713 is a prime.

It is a super-2 number, since 2×477650969² = 456300896373277922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 477650969.

It is not a weakly prime, because it can be changed into another prime (467650969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238825484 + 238825485.

It is an arithmetic number, because the mean of its divisors is an integer number (238825485).

Almost surely, 2^477650969 is an apocalyptic number.

It is an amenable number.

477650969 is a deficient number, since it is larger than the sum of its proper divisors (1).

477650969 is an equidigital number, since it uses as much as digits as its factorization.

477650969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 477650969 is about 21855.2274982440. The cubic root of 477650969 is about 781.6941965977.

The spelling of 477650969 in words is "four hundred seventy-seven million, six hundred fifty thousand, nine hundred sixty-nine".