476941247989 has 2 divisors, whose sum is σ = 476941247990. Its totient is φ = 476941247988.

The previous prime is 476941247953. The next prime is 476941248001. The reversal of 476941247989 is 989742149674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433566937764 + 43374310225 = 658458^2 + 208265^2 .

It is a cyclic number.

It is not a de Polignac number, because 476941247989 - 2²⁷ = 476807030261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476941217989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238470623994 + 238470623995.

It is an arithmetic number, because the mean of its divisors is an integer number (238470623995).

Almost surely, 2^476941247989 is an apocalyptic number.

It is an amenable number.

476941247989 is a deficient number, since it is larger than the sum of its proper divisors (1).

476941247989 is an equidigital number, since it uses as much as digits as its factorization.

476941247989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 70.

The spelling of 476941247989 in words is "four hundred seventy-six billion, nine hundred forty-one million, two hundred forty-seven thousand, nine hundred eighty-nine".