4426424991 has 6 divisors (see below), whose sum is σ = 6393725000. Its totient is φ = 2950949988.

The previous prime is 4426424987. The next prime is 4426424999. The reversal of 4426424991 is 1994246244.

It is not a de Polignac number, because 4426424991 - 2² = 4426424987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4426424999) 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 5 ways as a sum of consecutive naturals, for example, 245912491 + ... + 245912508.

Almost surely, 2^4426424991 is an apocalyptic number.

4426424991 is a deficient number, since it is larger than the sum of its proper divisors (1967300009).

4426424991 is a wasteful number, since it uses less digits than its factorization.

4426424991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491825005 (or 491825002 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 4426424991 is about 66531.3835043282. The cubic root of 4426424991 is about 1641.9163834939.

The spelling of 4426424991 in words is "four billion, four hundred twenty-six million, four hundred twenty-four thousand, nine hundred ninety-one".