1050644443 has 4 divisors (see below), whose sum is σ = 1055232640. Its totient is φ = 1046056248.

The previous prime is 1050644431. The next prime is 1050644459. The reversal of 1050644443 is 3444460501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3444460501 = 12041 ⋅286061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050644443 is a prime.

It is a super-2 number, since 2×1050644443² = 2207707491213560498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050644473) 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, 2293755 + ... + 2294212.

It is an arithmetic number, because the mean of its divisors is an integer number (263808160).

Almost surely, 2^1050644443 is an apocalyptic number.

1050644443 is a deficient number, since it is larger than the sum of its proper divisors (4588197).

1050644443 is an equidigital number, since it uses as much as digits as its factorization.

1050644443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588196.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1050644443 is about 32413.6459380922. The cubic root of 1050644443 is about 1016.6042538174.

The spelling of 1050644443 in words is "one billion, fifty million, six hundred forty-four thousand, four hundred forty-three".