7944294443 has 2 divisors, whose sum is σ = 7944294444. Its totient is φ = 7944294442.

The previous prime is 7944294437. The next prime is 7944294467. The reversal of 7944294443 is 3444924497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7944294443 - 2⁸ = 7944294187 is a prime.

It is a super-2 number, since 2×7944294443² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7944294391 and 7944294400.

It is not a weakly prime, because it can be changed into another prime (7944294433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972147221 + 3972147222.

It is an arithmetic number, because the mean of its divisors is an integer number (3972147222).

Almost surely, 2^7944294443 is an apocalyptic number.

7944294443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7944294443 is an equidigital number, since it uses as much as digits as its factorization.

7944294443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 50.

The square root of 7944294443 is about 89130.7715831070. The cubic root of 7944294443 is about 1995.3470536900.

The spelling of 7944294443 in words is "seven billion, nine hundred forty-four million, two hundred ninety-four thousand, four hundred forty-three".