1396081401917 has 2 divisors, whose sum is σ = 1396081401918. Its totient is φ = 1396081401916.

The previous prime is 1396081401907. The next prime is 1396081401959. The reversal of 1396081401917 is 7191041806931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964155103396 + 431926298521 = 981914^2 + 657211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396081401917 - 2¹⁶ = 1396081336381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396081401907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698040700958 + 698040700959.

It is an arithmetic number, because the mean of its divisors is an integer number (698040700959).

Almost surely, 2^{1396081401917} is an apocalyptic number.

It is an amenable number.

1396081401917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396081401917 is an equidigital number, since it uses as much as digits as its factorization.

1396081401917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 1396081401917 in words is "one trillion, three hundred ninety-six billion, eighty-one million, four hundred one thousand, nine hundred seventeen".