53864210489 has 2 divisors, whose sum is σ = 53864210490. Its totient is φ = 53864210488.

The previous prime is 53864210479. The next prime is 53864210557. The reversal of 53864210489 is 98401246835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38620110400 + 15244100089 = 196520^2 + 123467^2 .

It is a cyclic number.

It is not a de Polignac number, because 53864210489 - 2⁸ = 53864210233 is a prime.

It is not a weakly prime, because it can be changed into another prime (53864210419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26932105244 + 26932105245.

It is an arithmetic number, because the mean of its divisors is an integer number (26932105245).

Almost surely, 2^53864210489 is an apocalyptic number.

It is an amenable number.

53864210489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53864210489 is an equidigital number, since it uses as much as digits as its factorization.

53864210489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 53864210489 in words is "fifty-three billion, eight hundred sixty-four million, two hundred ten thousand, four hundred eighty-nine".