1055465819 has 4 divisors (see below), whose sum is σ = 1055530944. Its totient is φ = 1055400696.

The previous prime is 1055465771. The next prime is 1055465839. The reversal of 1055465819 is 9185645501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1055465819 - 2⁸ = 1055465563 is a prime.

It is a super-2 number, since 2×1055465819² = 2228016190154681522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055465819.

It is not an unprimeable number, because it can be changed into a prime (1055465839) 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 in 3 ways as a sum of consecutive naturals, for example, 12989 + ... + 47745.

It is an arithmetic number, because the mean of its divisors is an integer number (263882736).

Almost surely, 2^1055465819 is an apocalyptic number.

1055465819 is a deficient number, since it is larger than the sum of its proper divisors (65125).

1055465819 is an equidigital number, since it uses as much as digits as its factorization.

1055465819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65124.

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 1055465819 is about 32487.9334368932. The cubic root of 1055465819 is about 1018.1569366912.

The spelling of 1055465819 in words is "one billion, fifty-five million, four hundred sixty-five thousand, eight hundred nineteen".