1906452469 has 2 divisors, whose sum is σ = 1906452470. Its totient is φ = 1906452468.

The previous prime is 1906452389. The next prime is 1906452503. The reversal of 1906452469 is 9642546091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1905322500 + 1129969 = 43650^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906452469 - 2¹⁹ = 1905928181 is a prime.

It is a super-2 number, since 2×1906452469² = 7269122033112391922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1906462469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953226234 + 953226235.

It is an arithmetic number, because the mean of its divisors is an integer number (953226235).

Almost surely, 2^1906452469 is an apocalyptic number.

It is an amenable number.

1906452469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906452469 is an equidigital number, since it uses as much as digits as its factorization.

1906452469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1906452469 is about 43662.9415981104. The cubic root of 1906452469 is about 1239.9628130107.

The spelling of 1906452469 in words is "one billion, nine hundred six million, four hundred fifty-two thousand, four hundred sixty-nine".