1044663961 has 4 divisors (see below), whose sum is σ = 1139633424. Its totient is φ = 949694500.

The previous prime is 1044663959. The next prime is 1044663989. The reversal of 1044663961 is 1693664401.

1044663961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1044663961 - 2¹ = 1044663959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044663901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47484715 + ... + 47484736.

It is an arithmetic number, because the mean of its divisors is an integer number (284908356).

Almost surely, 2^1044663961 is an apocalyptic number.

1044663961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1044663961 is a deficient number, since it is larger than the sum of its proper divisors (94969463).

1044663961 is an equidigital number, since it uses as much as digits as its factorization.

1044663961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94969462.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 1044663961 is about 32321.2617482672. The cubic root of 1044663961 is about 1014.6716761856.

The spelling of 1044663961 in words is "one billion, forty-four million, six hundred sixty-three thousand, nine hundred sixty-one".