54204686819 has 2 divisors, whose sum is σ = 54204686820. Its totient is φ = 54204686818.

The previous prime is 54204686749. The next prime is 54204686927. The reversal of 54204686819 is 91868640245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54204686819 - 2¹² = 54204682723 is a prime.

It is a super-2 number, since 2×54204686819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54204686119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27102343409 + 27102343410.

It is an arithmetic number, because the mean of its divisors is an integer number (27102343410).

Almost surely, 2^54204686819 is an apocalyptic number.

54204686819 is a deficient number, since it is larger than the sum of its proper divisors (1).

54204686819 is an equidigital number, since it uses as much as digits as its factorization.

54204686819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 54204686819 in words is "fifty-four billion, two hundred four million, six hundred eighty-six thousand, eight hundred nineteen".