50018654897 has 2 divisors, whose sum is σ = 50018654898. Its totient is φ = 50018654896.

The previous prime is 50018654863. The next prime is 50018654911. The reversal of 50018654897 is 79845681005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35568451216 + 14450203681 = 188596^2 + 120209^2 .

It is a cyclic number.

It is not a de Polignac number, because 50018654897 - 2³² = 45723687601 is a prime.

It is not a weakly prime, because it can be changed into another prime (50018654837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25009327448 + 25009327449.

It is an arithmetic number, because the mean of its divisors is an integer number (25009327449).

Almost surely, 2^50018654897 is an apocalyptic number.

It is an amenable number.

50018654897 is a deficient number, since it is larger than the sum of its proper divisors (1).

50018654897 is an equidigital number, since it uses as much as digits as its factorization.

50018654897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 50018654897 in words is "fifty billion, eighteen million, six hundred fifty-four thousand, eight hundred ninety-seven".