4694581151138 has 18 divisors (see below), whose sum is σ = 7068663430353. Its totient is φ = 2338393746360.

The previous prime is 4694581151137. The next prime is 4694581151153. The reversal of 4694581151138 is 8311511854964.

It can be written as a sum of positive squares in 2 ways, for example, as 4120400635129 + 574180516009 = 2029877^2 + 757747^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1532087.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4694581151137) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 848773433 + ... + 848778963.

Almost surely, 2^{4694581151138} is an apocalyptic number.

4694581151138 is a deficient number, since it is larger than the sum of its proper divisors (2374082279215).

4694581151138 is an frugal number, since it uses more digits than its factorization.

4694581151138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11618 (or 5810 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The spelling of 4694581151138 in words is "four trillion, six hundred ninety-four billion, five hundred eighty-one million, one hundred fifty-one thousand, one hundred thirty-eight".