4825780138 has 4 divisors (see below), whose sum is σ = 7238670210. Its totient is φ = 2412890068.

The previous prime is 4825780133. The next prime is 4825780181. The reversal of 4825780138 is 8310875284.

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

It can be written as a sum of positive squares in only one way, i.e., 2647411209 + 2178368929 = 51453^2 + 46673^2 .

It is not an unprimeable number, because it can be changed into a prime (4825780133) 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 as a sum of consecutive naturals, namely, 1206445033 + ... + 1206445036.

Almost surely, 2^4825780138 is an apocalyptic number.

4825780138 is a deficient number, since it is larger than the sum of its proper divisors (2412890072).

4825780138 is a wasteful number, since it uses less digits than its factorization.

4825780138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412890071.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 4825780138 is about 69467.8352764789. The cubic root of 4825780138 is about 1689.8799137389.

The spelling of 4825780138 in words is "four billion, eight hundred twenty-five million, seven hundred eighty thousand, one hundred thirty-eight".