404453682029 has 2 divisors, whose sum is σ = 404453682030. Its totient is φ = 404453682028.

The previous prime is 404453682011. The next prime is 404453682041. The reversal of 404453682029 is 920286354404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314979112900 + 89474569129 = 561230^2 + 299123^2 .

It is a cyclic number.

It is not a de Polignac number, because 404453682029 - 2³² = 400158714733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404453682229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202226841014 + 202226841015.

It is an arithmetic number, because the mean of its divisors is an integer number (202226841015).

Almost surely, 2^404453682029 is an apocalyptic number.

It is an amenable number.

404453682029 is a deficient number, since it is larger than the sum of its proper divisors (1).

404453682029 is an equidigital number, since it uses as much as digits as its factorization.

404453682029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 404453682029 in words is "four hundred four billion, four hundred fifty-three million, six hundred eighty-two thousand, twenty-nine".