1411990169 has 2 divisors, whose sum is σ = 1411990170. Its totient is φ = 1411990168.

The previous prime is 1411990141. The next prime is 1411990207. The reversal of 1411990169 is 9610991141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723610000 + 688380169 = 26900^2 + 26237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1411990169 - 2⁸ = 1411989913 is a prime.

It is a super-2 number, since 2×1411990169² = 3987432474705297122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1411990109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705995084 + 705995085.

It is an arithmetic number, because the mean of its divisors is an integer number (705995085).

Almost surely, 2^1411990169 is an apocalyptic number.

It is an amenable number.

1411990169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1411990169 is an equidigital number, since it uses as much as digits as its factorization.

1411990169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 1411990169 is about 37576.4576430509. The cubic root of 1411990169 is about 1121.8735036062.

The spelling of 1411990169 in words is "one billion, four hundred eleven million, nine hundred ninety thousand, one hundred sixty-nine".