2105151469 has 2 divisors, whose sum is σ = 2105151470. Its totient is φ = 2105151468.

The previous prime is 2105151439. The next prime is 2105151481. The reversal of 2105151469 is 9641515012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2101030569 + 4120900 = 45837^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105151469 - 2¹³ = 2105143277 is a prime.

It is a super-2 number, since 2×2105151469² = 8863325414865715922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105151439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052575734 + 1052575735.

It is an arithmetic number, because the mean of its divisors is an integer number (1052575735).

Almost surely, 2^2105151469 is an apocalyptic number.

It is an amenable number.

2105151469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105151469 is an equidigital number, since it uses as much as digits as its factorization.

2105151469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 2105151469 is about 45881.9296564563. The cubic root of 2105151469 is about 1281.6254311775.

The spelling of 2105151469 in words is "two billion, one hundred five million, one hundred fifty-one thousand, four hundred sixty-nine".