476949493 has 2 divisors, whose sum is σ = 476949494. Its totient is φ = 476949492.

The previous prime is 476949481. The next prime is 476949497. The reversal of 476949493 is 394949674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425927044 + 51022449 = 20638^2 + 7143^2 .

It is a cyclic number.

It is not a de Polignac number, because 476949493 - 2⁵ = 476949461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476949497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238474746 + 238474747.

It is an arithmetic number, because the mean of its divisors is an integer number (238474747).

Almost surely, 2^476949493 is an apocalyptic number.

It is an amenable number.

476949493 is a deficient number, since it is larger than the sum of its proper divisors (1).

476949493 is an equidigital number, since it uses as much as digits as its factorization.

476949493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 55.

The square root of 476949493 is about 21839.1733588980. The cubic root of 476949493 is about 781.3113449600.

The spelling of 476949493 in words is "four hundred seventy-six million, nine hundred forty-nine thousand, four hundred ninety-three".