200042000497 has 2 divisors, whose sum is σ = 200042000498. Its totient is φ = 200042000496.

The previous prime is 200042000489. The next prime is 200042000513. The reversal of 200042000497 is 794000240002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199233678736 + 808321761 = 446356^2 + 28431^2 .

It is a cyclic number.

It is not a de Polignac number, because 200042000497 - 2³ = 200042000489 is a prime.

It is not a weakly prime, because it can be changed into another prime (200042000407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100021000248 + 100021000249.

It is an arithmetic number, because the mean of its divisors is an integer number (100021000249).

Almost surely, 2^200042000497 is an apocalyptic number.

It is an amenable number.

200042000497 is a deficient number, since it is larger than the sum of its proper divisors (1).

200042000497 is an equidigital number, since it uses as much as digits as its factorization.

200042000497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 200042000497 its reverse (794000240002), we get a palindrome (994042240499).

The spelling of 200042000497 in words is "two hundred billion, forty-two million, four hundred ninety-seven", and thus it is an aban number.