4289916505 has 16 divisors (see below), whose sum is σ = 5905198080. Its totient is φ = 2930715072.

The previous prime is 4289916487. The next prime is 4289916509. The reversal of 4289916505 is 5056199824.

It is a cyclic number.

It is not a de Polignac number, because 4289916505 - 2⁷ = 4289916377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4289916509) 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, 218409 + ... + 237238.

It is an arithmetic number, because the mean of its divisors is an integer number (369074880).

Almost surely, 2^4289916505 is an apocalyptic number.

It is an amenable number.

4289916505 is a deficient number, since it is larger than the sum of its proper divisors (1615281575).

4289916505 is a wasteful number, since it uses less digits than its factorization.

4289916505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455928.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 4289916505 is about 65497.4541871667. The cubic root of 4289916505 is about 1624.8612432211.

The spelling of 4289916505 in words is "four billion, two hundred eighty-nine million, nine hundred sixteen thousand, five hundred five".