1396808398319 has 2 divisors, whose sum is σ = 1396808398320. Its totient is φ = 1396808398318.

The previous prime is 1396808398309. The next prime is 1396808398421. The reversal of 1396808398319 is 9138938086931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396808398319 - 2¹⁶ = 1396808332783 is a prime.

It is a super-2 number, since 2×1396808398319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396808398309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698404199159 + 698404199160.

It is an arithmetic number, because the mean of its divisors is an integer number (698404199160).

Almost surely, 2^{1396808398319} is an apocalyptic number.

1396808398319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396808398319 is an equidigital number, since it uses as much as digits as its factorization.

1396808398319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60466176, while the sum is 68.

The spelling of 1396808398319 in words is "one trillion, three hundred ninety-six billion, eight hundred eight million, three hundred ninety-eight thousand, three hundred nineteen".