205597535147 has 2 divisors, whose sum is σ = 205597535148. Its totient is φ = 205597535146.

The previous prime is 205597535089. The next prime is 205597535159. The reversal of 205597535147 is 741535795502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205597535147 is a prime.

It is not a weakly prime, because it can be changed into another prime (205597535167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102798767573 + 102798767574.

It is an arithmetic number, because the mean of its divisors is an integer number (102798767574).

Almost surely, 2^205597535147 is an apocalyptic number.

205597535147 is a deficient number, since it is larger than the sum of its proper divisors (1).

205597535147 is an equidigital number, since it uses as much as digits as its factorization.

205597535147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615000, while the sum is 53.

The spelling of 205597535147 in words is "two hundred five billion, five hundred ninety-seven million, five hundred thirty-five thousand, one hundred forty-seven".