4515943985 has 8 divisors (see below), whose sum is σ = 6193294656. Its totient is φ = 3096647280.

The previous prime is 4515943981. The next prime is 4515943987. The reversal of 4515943985 is 5893495154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4515943985 - 2² = 4515943981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4515943981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64513451 + ... + 64513520.

It is an arithmetic number, because the mean of its divisors is an integer number (774161832).

Almost surely, 2^4515943985 is an apocalyptic number.

It is an amenable number.

4515943985 is a deficient number, since it is larger than the sum of its proper divisors (1677350671).

4515943985 is a wasteful number, since it uses less digits than its factorization.

4515943985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129026983.

The product of its digits is 3888000, while the sum is 53.

The square root of 4515943985 is about 67200.7736934628. The cubic root of 4515943985 is about 1652.9111734826.

The spelling of 4515943985 in words is "four billion, five hundred fifteen million, nine hundred forty-three thousand, nine hundred eighty-five".