404631484843 has 2 divisors, whose sum is σ = 404631484844. Its totient is φ = 404631484842.

The previous prime is 404631484783. The next prime is 404631484847. The reversal of 404631484843 is 348484136404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404631484843 - 2²¹ = 404629387691 is a prime.

It is not a weakly prime, because it can be changed into another prime (404631484847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202315742421 + 202315742422.

It is an arithmetic number, because the mean of its divisors is an integer number (202315742422).

Almost surely, 2^404631484843 is an apocalyptic number.

404631484843 is a deficient number, since it is larger than the sum of its proper divisors (1).

404631484843 is an equidigital number, since it uses as much as digits as its factorization.

404631484843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 404631484843 in words is "four hundred four billion, six hundred thirty-one million, four hundred eighty-four thousand, eight hundred forty-three".