52073861991401 has 2 divisors, whose sum is σ = 52073861991402. Its totient is φ = 52073861991400.

The previous prime is 52073861991397. The next prime is 52073861991419. The reversal of 52073861991401 is 10419916837025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39630499916176 + 12443362075225 = 6295276^2 + 3527515^2 .

It is a cyclic number.

It is not a de Polignac number, because 52073861991401 - 2² = 52073861991397 is a prime.

It is not a weakly prime, because it can be changed into another prime (52073861991451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26036930995700 + 26036930995701.

It is an arithmetic number, because the mean of its divisors is an integer number (26036930995701).

It is a 1-persistent number, because it is pandigital, but 2⋅52073861991401 = 104147723982802 is not.

Almost surely, 2^{52073861991401} is an apocalyptic number.

It is an amenable number.

52073861991401 is a deficient number, since it is larger than the sum of its proper divisors (1).

52073861991401 is an equidigital number, since it uses as much as digits as its factorization.

52073861991401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 52073861991401 in words is "fifty-two trillion, seventy-three billion, eight hundred sixty-one million, nine hundred ninety-one thousand, four hundred one".