52173371204399 has 2 divisors, whose sum is σ = 52173371204400. Its totient is φ = 52173371204398.

The previous prime is 52173371204371. The next prime is 52173371204413. The reversal of 52173371204399 is 99340217337125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52173371204399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52173371204369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26086685602199 + 26086685602200.

It is an arithmetic number, because the mean of its divisors is an integer number (26086685602200).

Almost surely, 2^{52173371204399} is an apocalyptic number.

52173371204399 is a deficient number, since it is larger than the sum of its proper divisors (1).

52173371204399 is an equidigital number, since it uses as much as digits as its factorization.

52173371204399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 52173371204399 in words is "fifty-two trillion, one hundred seventy-three billion, three hundred seventy-one million, two hundred four thousand, three hundred ninety-nine".