53818188899 has 2 divisors, whose sum is σ = 53818188900. Its totient is φ = 53818188898.

The previous prime is 53818188877. The next prime is 53818188901. The reversal of 53818188899 is 99888181835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53818188899 - 2¹² = 53818184803 is a prime.

Together with 53818188901, 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 (53818188829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26909094449 + 26909094450.

It is an arithmetic number, because the mean of its divisors is an integer number (26909094450).

Almost surely, 2^53818188899 is an apocalyptic number.

53818188899 is a deficient number, since it is larger than the sum of its proper divisors (1).

53818188899 is an equidigital number, since it uses as much as digits as its factorization.

53818188899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39813120, while the sum is 68.

The spelling of 53818188899 in words is "fifty-three billion, eight hundred eighteen million, one hundred eighty-eight thousand, eight hundred ninety-nine".