404220000497 has 2 divisors, whose sum is σ = 404220000498. Its totient is φ = 404220000496.

The previous prime is 404220000419. The next prime is 404220000517. The reversal of 404220000497 is 794000022404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307443634576 + 96776365921 = 554476^2 + 311089^2 .

It is a cyclic number.

It is not a de Polignac number, because 404220000497 - 2³⁸ = 129342093553 is a prime.

It is not a weakly prime, because it can be changed into another prime (404220000997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202110000248 + 202110000249.

It is an arithmetic number, because the mean of its divisors is an integer number (202110000249).

Almost surely, 2^404220000497 is an apocalyptic number.

It is an amenable number.

404220000497 is a deficient number, since it is larger than the sum of its proper divisors (1).

404220000497 is an equidigital number, since it uses as much as digits as its factorization.

404220000497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 404220000497 in words is "four hundred four billion, two hundred twenty million, four hundred ninety-seven", and thus it is an aban number.