4426478739 has 32 divisors (see below), whose sum is σ = 6637128000. Its totient is φ = 2915481600.

The previous prime is 4426478723. The next prime is 4426478759. The reversal of 4426478739 is 9378746244.

4426478739 is a `hidden beast` number, since 442 + 64 + 78 + 73 + 9 = 666.

It is not a de Polignac number, because 4426478739 - 2⁴ = 4426478723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4426478759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773589 + ... + 779289.

It is an arithmetic number, because the mean of its divisors is an integer number (207410250).

Almost surely, 2^4426478739 is an apocalyptic number.

4426478739 is a deficient number, since it is larger than the sum of its proper divisors (2210649261).

4426478739 is a wasteful number, since it uses less digits than its factorization.

4426478739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052 (or 6046 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 4426478739 is about 66531.7874327753. The cubic root of 4426478739 is about 1641.9230291402.

The spelling of 4426478739 in words is "four billion, four hundred twenty-six million, four hundred seventy-eight thousand, seven hundred thirty-nine".