53478662773189 has 2 divisors, whose sum is σ = 53478662773190. Its totient is φ = 53478662773188.

The previous prime is 53478662773183. The next prime is 53478662773213. The reversal of 53478662773189 is 98137726687435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30412831537089 + 23065831236100 = 5514783^2 + 4802690^2 .

It is a cyclic number.

It is not a de Polignac number, because 53478662773189 - 2³ = 53478662773181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53478662773181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26739331386594 + 26739331386595.

It is an arithmetic number, because the mean of its divisors is an integer number (26739331386595).

Almost surely, 2^{53478662773189} is an apocalyptic number.

It is an amenable number.

53478662773189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53478662773189 is an equidigital number, since it uses as much as digits as its factorization.

53478662773189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560481280, while the sum is 76.

The spelling of 53478662773189 in words is "fifty-three trillion, four hundred seventy-eight billion, six hundred sixty-two million, seven hundred seventy-three thousand, one hundred eighty-nine".