4425974785 has 4 divisors (see below), whose sum is σ = 5311169748. Its totient is φ = 3540779824.

The previous prime is 4425974711. The next prime is 4425974789. The reversal of 4425974785 is 5874795244.

It is a Cunningham number, because it is equal to 66528²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1593287056 + 2832687729 = 39916^2 + 53223^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425974785 - 2¹⁷ = 4425843713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4425974789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442597474 + ... + 442597483.

It is an arithmetic number, because the mean of its divisors is an integer number (1327792437).

Almost surely, 2^4425974785 is an apocalyptic number.

It is an amenable number.

4425974785 is a deficient number, since it is larger than the sum of its proper divisors (885194963).

4425974785 is an equidigital number, since it uses as much as digits as its factorization.

4425974785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885194962.

The product of its digits is 11289600, while the sum is 55.

The square root of 4425974785 is about 66528.0000075156. Note that the first 5 decimals coincide. The cubic root of 4425974785 is about 1641.8607158711.

The spelling of 4425974785 in words is "four billion, four hundred twenty-five million, nine hundred seventy-four thousand, seven hundred eighty-five".