4512961988 has 24 divisors (see below), whose sum is σ = 8009148000. Its totient is φ = 2224745280.

The previous prime is 4512961987. The next prime is 4512962011. The reversal of 4512961988 is 8891692154.

It is a super-3 number, since 3×4512961988³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4512961987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152048 + ... + 179288.

It is an arithmetic number, because the mean of its divisors is an integer number (333714500).

Almost surely, 2^4512961988 is an apocalyptic number.

It is an amenable number.

4512961988 is a deficient number, since it is larger than the sum of its proper divisors (3496186012).

4512961988 is a wasteful number, since it uses less digits than its factorization.

4512961988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27827 (or 27825 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 53.

The square root of 4512961988 is about 67178.5828073204. The cubic root of 4512961988 is about 1652.5472730825.

The spelling of 4512961988 in words is "four billion, five hundred twelve million, nine hundred sixty-one thousand, nine hundred eighty-eight".