373775797613 has 2 divisors, whose sum is σ = 373775797614. Its totient is φ = 373775797612.

The previous prime is 373775797609. The next prime is 373775797631. The reversal of 373775797613 is 316797577373.

Together with next prime (373775797631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317208883369 + 56566914244 = 563213^2 + 237838^2 .

It is a cyclic number.

It is not a de Polignac number, because 373775797613 - 2² = 373775797609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 373775797613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373775727613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186887898806 + 186887898807.

It is an arithmetic number, because the mean of its divisors is an integer number (186887898807).

Almost surely, 2^373775797613 is an apocalyptic number.

It is an amenable number.

373775797613 is a deficient number, since it is larger than the sum of its proper divisors (1).

373775797613 is an equidigital number, since it uses as much as digits as its factorization.

373775797613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122523030, while the sum is 65.

The spelling of 373775797613 in words is "three hundred seventy-three billion, seven hundred seventy-five million, seven hundred ninety-seven thousand, six hundred thirteen".