393376673377 has 2 divisors, whose sum is σ = 393376673378. Its totient is φ = 393376673376.

The previous prime is 393376673363. The next prime is 393376673429. The reversal of 393376673377 is 773376673393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339573087441 + 53803585936 = 582729^2 + 231956^2 .

It is an emirp because it is prime and its reverse (773376673393) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-393376673377 is a prime.

It is not a weakly prime, because it can be changed into another prime (393376673357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196688336688 + 196688336689.

It is an arithmetic number, because the mean of its divisors is an integer number (196688336689).

Almost surely, 2^393376673377 is an apocalyptic number.

It is an amenable number.

393376673377 is a deficient number, since it is larger than the sum of its proper divisors (1).

393376673377 is an equidigital number, since it uses as much as digits as its factorization.

393376673377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189035532, while the sum is 64.

The spelling of 393376673377 in words is "three hundred ninety-three billion, three hundred seventy-six million, six hundred seventy-three thousand, three hundred seventy-seven".