16409864535 has 16 divisors (see below), whose sum is σ = 26400847200. Its totient is φ = 8703573120.

The previous prime is 16409864503. The next prime is 16409864543. The reversal of 16409864535 is 53546890461.

It is not a de Polignac number, because 16409864535 - 2⁵ = 16409864503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019360 + ... + 3024789.

It is an arithmetic number, because the mean of its divisors is an integer number (1650052950).

Almost surely, 2^16409864535 is an apocalyptic number.

16409864535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16409864535 is a deficient number, since it is larger than the sum of its proper divisors (9990982665).

16409864535 is a wasteful number, since it uses less digits than its factorization.

16409864535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044338.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 16409864535 in words is "sixteen billion, four hundred nine million, eight hundred sixty-four thousand, five hundred thirty-five".