200554215427 has 2 divisors, whose sum is σ = 200554215428. Its totient is φ = 200554215426.

The previous prime is 200554215419. The next prime is 200554215443. The reversal of 200554215427 is 724512455002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200554215427 - 2³ = 200554215419 is a prime.

It is not a weakly prime, because it can be changed into another prime (200554215497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100277107713 + 100277107714.

It is an arithmetic number, because the mean of its divisors is an integer number (100277107714).

Almost surely, 2^200554215427 is an apocalyptic number.

200554215427 is a deficient number, since it is larger than the sum of its proper divisors (1).

200554215427 is an equidigital number, since it uses as much as digits as its factorization.

200554215427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 200554215427 in words is "two hundred billion, five hundred fifty-four million, two hundred fifteen thousand, four hundred twenty-seven".