4244292643 has 2 divisors, whose sum is σ = 4244292644. Its totient is φ = 4244292642.

The previous prime is 4244292623. The next prime is 4244292719. The reversal of 4244292643 is 3462924424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244292643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4244292596 and 4244292605.

It is not a weakly prime, because it can be changed into another prime (4244292623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122146321 + 2122146322.

It is an arithmetic number, because the mean of its divisors is an integer number (2122146322).

Almost surely, 2^4244292643 is an apocalyptic number.

4244292643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244292643 is an equidigital number, since it uses as much as digits as its factorization.

4244292643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 40.

The square root of 4244292643 is about 65148.2359162549. The cubic root of 4244292643 is about 1619.0804926431.

The spelling of 4244292643 in words is "four billion, two hundred forty-four million, two hundred ninety-two thousand, six hundred forty-three".