4426328782507 has 4 divisors (see below), whose sum is σ = 4578960809520. Its totient is φ = 4273696755496.

The previous prime is 4426328782489. The next prime is 4426328782517. The reversal of 4426328782507 is 7052878236244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4426328782507 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4426328782517) 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 3 ways as a sum of consecutive naturals, for example, 76316013463 + ... + 76316013520.

It is an arithmetic number, because the mean of its divisors is an integer number (1144740202380).

Almost surely, 2^{4426328782507} is an apocalyptic number.

4426328782507 is a deficient number, since it is larger than the sum of its proper divisors (152632027013).

4426328782507 is a wasteful number, since it uses less digits than its factorization.

4426328782507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152632027012.

The product of its (nonzero) digits is 36126720, while the sum is 58.

The spelling of 4426328782507 in words is "four trillion, four hundred twenty-six billion, three hundred twenty-eight million, seven hundred eighty-two thousand, five hundred seven".