1055844769 has 4 divisors (see below), whose sum is σ = 1206679744. Its totient is φ = 905009796.

The previous prime is 1055844749. The next prime is 1055844773. The reversal of 1055844769 is 9674485501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1055844769 - 2⁵ = 1055844737 is a prime.

It is a super-2 number, since 2×1055844769² = 2229616352449326722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055844749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75417477 + ... + 75417490.

It is an arithmetic number, because the mean of its divisors is an integer number (301669936).

Almost surely, 2^1055844769 is an apocalyptic number.

It is an amenable number.

1055844769 is a deficient number, since it is larger than the sum of its proper divisors (150834975).

1055844769 is an equidigital number, since it uses as much as digits as its factorization.

1055844769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150834974.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 1055844769 is about 32493.7650788578. The cubic root of 1055844769 is about 1018.2787737031.

The spelling of 1055844769 in words is "one billion, fifty-five million, eight hundred forty-four thousand, seven hundred sixty-nine".