1119648461 has 2 divisors, whose sum is σ = 1119648462. Its totient is φ = 1119648460.

The previous prime is 1119648449. The next prime is 1119648469. The reversal of 1119648461 is 1648469111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563160361 + 556488100 = 23731^2 + 23590^2 .

It is an emirp because it is prime and its reverse (1648469111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1119648461 - 2¹⁴ = 1119632077 is a prime.

It is a super-2 number, since 2×1119648461² = 2507225352439337042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119648469) 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, 559824230 + 559824231.

It is an arithmetic number, because the mean of its divisors is an integer number (559824231).

Almost surely, 2^1119648461 is an apocalyptic number.

It is an amenable number.

1119648461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119648461 is an equidigital number, since it uses as much as digits as its factorization.

1119648461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 1119648461 is about 33461.1485307961. The cubic root of 1119648461 is about 1038.3901563705.

The spelling of 1119648461 in words is "one billion, one hundred nineteen million, six hundred forty-eight thousand, four hundred sixty-one".