475348969 has 2 divisors, whose sum is σ = 475348970. Its totient is φ = 475348968.

The previous prime is 475348963. The next prime is 475349099. The reversal of 475348969 is 969843574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474716944 + 632025 = 21788^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 475348969 - 2⁹ = 475348457 is a prime.

It is a super-2 number, since 2×475348969² = 451913284658725922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475348963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237674484 + 237674485.

It is an arithmetic number, because the mean of its divisors is an integer number (237674485).

Almost surely, 2^475348969 is an apocalyptic number.

It is an amenable number.

475348969 is a deficient number, since it is larger than the sum of its proper divisors (1).

475348969 is an equidigital number, since it uses as much as digits as its factorization.

475348969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The square root of 475348969 is about 21802.4991457402. The cubic root of 475348969 is about 780.4364032813.

The spelling of 475348969 in words is "four hundred seventy-five million, three hundred forty-eight thousand, nine hundred sixty-nine".