27954559019467 has 2 divisors, whose sum is σ = 27954559019468. Its totient is φ = 27954559019466.

The previous prime is 27954559019461. The next prime is 27954559019521. The reversal of 27954559019467 is 76491095545972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27954559019467 - 2³ = 27954559019459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27954559019467.

It is not a weakly prime, because it can be changed into another prime (27954559019461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977279509733 + 13977279509734.

It is an arithmetic number, because the mean of its divisors is an integer number (13977279509734).

Almost surely, 2^{27954559019467} is an apocalyptic number.

27954559019467 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954559019467 is an equidigital number, since it uses as much as digits as its factorization.

27954559019467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304000, while the sum is 73.

The spelling of 27954559019467 in words is "twenty-seven trillion, nine hundred fifty-four billion, five hundred fifty-nine million, nineteen thousand, four hundred sixty-seven".