4142989856 has 12 divisors (see below), whose sum is σ = 8156511342. Its totient is φ = 2071494912.

The previous prime is 4142989847. The next prime is 4142989859. The reversal of 4142989856 is 6589892414.

It can be written as a sum of positive squares in only one way, i.e., 3562179856 + 580810000 = 59684^2 + 24100^2 .

It is a super-3 number, since 3×4142989856³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4142989859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64734185 + ... + 64734248.

Almost surely, 2^4142989856 is an apocalyptic number.

It is an amenable number.

4142989856 is a deficient number, since it is larger than the sum of its proper divisors (4013521486).

4142989856 is a wasteful number, since it uses less digits than its factorization.

4142989856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129468443 (or 129468435 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The square root of 4142989856 is about 64366.0613677736. The cubic root of 4142989856 is about 1606.0952215196.

The spelling of 4142989856 in words is "four billion, one hundred forty-two million, nine hundred eighty-nine thousand, eight hundred fifty-six".