474248993 has 2 divisors, whose sum is σ = 474248994. Its totient is φ = 474248992.

The previous prime is 474248947. The next prime is 474249007. The reversal of 474248993 is 399842474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463411729 + 10837264 = 21527^2 + 3292^2 .

It is a cyclic number.

It is not a de Polignac number, because 474248993 - 2⁸ = 474248737 is a prime.

It is not a weakly prime, because it can be changed into another prime (474248923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237124496 + 237124497.

It is an arithmetic number, because the mean of its divisors is an integer number (237124497).

Almost surely, 2^474248993 is an apocalyptic number.

It is an amenable number.

474248993 is a deficient number, since it is larger than the sum of its proper divisors (1).

474248993 is an equidigital number, since it uses as much as digits as its factorization.

474248993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The square root of 474248993 is about 21777.2586199457. The cubic root of 474248993 is about 779.8339516140.

It can be divided in two parts, 4742 and 48993, that added together give a palindrome (53735).

The spelling of 474248993 in words is "four hundred seventy-four million, two hundred forty-eight thousand, nine hundred ninety-three".