53671665203659 has 2 divisors, whose sum is σ = 53671665203660. Its totient is φ = 53671665203658.

The previous prime is 53671665203627. The next prime is 53671665203687. The reversal of 53671665203659 is 95630256617635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53671665203659 - 2⁵ = 53671665203627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53671665203659.

It is not a weakly prime, because it can be changed into another prime (53671665204659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26835832601829 + 26835832601830.

It is an arithmetic number, because the mean of its divisors is an integer number (26835832601830).

Almost surely, 2^{53671665203659} is an apocalyptic number.

53671665203659 is a deficient number, since it is larger than the sum of its proper divisors (1).

53671665203659 is an equidigital number, since it uses as much as digits as its factorization.

53671665203659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708000, while the sum is 64.

The spelling of 53671665203659 in words is "fifty-three trillion, six hundred seventy-one billion, six hundred sixty-five million, two hundred three thousand, six hundred fifty-nine".