1363869697 has 2 divisors, whose sum is σ = 1363869698. Its totient is φ = 1363869696.

The previous prime is 1363869679. The next prime is 1363869701. The reversal of 1363869697 is 7969683631.

Together with previous prime (1363869679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911073856 + 452795841 = 30184^2 + 21279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363869697 - 2¹¹ = 1363867649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363869677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681934848 + 681934849.

It is an arithmetic number, because the mean of its divisors is an integer number (681934849).

It is a Proth number, since it is equal to 20811 ⋅ 2¹⁶ + 1 and 20811 < 2¹⁶.

Almost surely, 2^1363869697 is an apocalyptic number.

It is an amenable number.

1363869697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363869697 is an equidigital number, since it uses as much as digits as its factorization.

1363869697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 58.

The square root of 1363869697 is about 36930.6065073402. The cubic root of 1363869697 is about 1108.9814797418.

The spelling of 1363869697 in words is "one billion, three hundred sixty-three million, eight hundred sixty-nine thousand, six hundred ninety-seven".