1369181069 has 2 divisors, whose sum is σ = 1369181070. Its totient is φ = 1369181068.

The previous prime is 1369181057. The next prime is 1369181083. The reversal of 1369181069 is 9601819631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1169298025 + 199883044 = 34195^2 + 14138^2 .

It is an emirp because it is prime and its reverse (9601819631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1369181069 - 2¹² = 1369176973 is a prime.

It is a super-2 number, since 2×1369181069² = 3749313599415965522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369181969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684590534 + 684590535.

It is an arithmetic number, because the mean of its divisors is an integer number (684590535).

Almost surely, 2^1369181069 is an apocalyptic number.

It is an amenable number.

1369181069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369181069 is an equidigital number, since it uses as much as digits as its factorization.

1369181069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1369181069 is about 37002.4467974754. The cubic root of 1369181069 is about 1110.4191985915.

The spelling of 1369181069 in words is "one billion, three hundred sixty-nine million, one hundred eighty-one thousand, sixty-nine".