1554859430027 has 2 divisors, whose sum is σ = 1554859430028. Its totient is φ = 1554859430026.

The previous prime is 1554859430011. The next prime is 1554859430029. The reversal of 1554859430027 is 7200349584551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1554859430027 - 2⁴ = 1554859430011 is a prime.

Together with 1554859430029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1554859430029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777429715013 + 777429715014.

It is an arithmetic number, because the mean of its divisors is an integer number (777429715014).

Almost surely, 2^{1554859430027} is an apocalyptic number.

1554859430027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1554859430027 is an equidigital number, since it uses as much as digits as its factorization.

1554859430027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 1554859430027 in words is "one trillion, five hundred fifty-four billion, eight hundred fifty-nine million, four hundred thirty thousand, twenty-seven".