4544985999 has 16 divisors (see below), whose sum is σ = 6207062400. Its totient is φ = 2957189856.

The previous prime is 4544985979. The next prime is 4544986037. The reversal of 4544985999 is 9995894454.

It is not a de Polignac number, because 4544985999 - 2⁷ = 4544985871 is a prime.

It is a super-2 number, since 2×4544985999² = 41313795462212056002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544985959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67764 + ... + 116969.

It is an arithmetic number, because the mean of its divisors is an integer number (387941400).

Almost surely, 2^4544985999 is an apocalyptic number.

4544985999 is a deficient number, since it is larger than the sum of its proper divisors (1662076401).

4544985999 is a wasteful number, since it uses less digits than its factorization.

4544985999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184934.

The product of its digits is 83980800, while the sum is 66.

The square root of 4544985999 is about 67416.5113232656. The cubic root of 4544985999 is about 1656.4468928115.

The spelling of 4544985999 in words is "four billion, five hundred forty-four million, nine hundred eighty-five thousand, nine hundred ninety-nine".