476993669 has 2 divisors, whose sum is σ = 476993670. Its totient is φ = 476993668.

The previous prime is 476993641. The next prime is 476993719. The reversal of 476993669 is 966399674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337163044 + 139830625 = 18362^2 + 11825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476993669 is a prime.

It is a super-2 number, since 2×476993669² = 455045920532163122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476933669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238496834 + 238496835.

It is an arithmetic number, because the mean of its divisors is an integer number (238496835).

Almost surely, 2^476993669 is an apocalyptic number.

It is an amenable number.

476993669 is a deficient number, since it is larger than the sum of its proper divisors (1).

476993669 is an equidigital number, since it uses as much as digits as its factorization.

476993669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 59.

The square root of 476993669 is about 21840.1847290722. The cubic root of 476993669 is about 781.3354664131.

The spelling of 476993669 in words is "four hundred seventy-six million, nine hundred ninety-three thousand, six hundred sixty-nine".