16235049489 has 4 divisors (see below), whose sum is σ = 21646732656. Its totient is φ = 10823366324.

The previous prime is 16235049473. The next prime is 16235049511. The reversal of 16235049489 is 98494053261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16235049489 - 2⁴ = 16235049473 is a prime.

It is a super-2 number, since 2×16235049489² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16235049409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705841579 + ... + 2705841584.

It is an arithmetic number, because the mean of its divisors is an integer number (5411683164).

Almost surely, 2^16235049489 is an apocalyptic number.

It is an amenable number.

16235049489 is a deficient number, since it is larger than the sum of its proper divisors (5411683167).

16235049489 is an equidigital number, since it uses as much as digits as its factorization.

16235049489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411683166.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 16235049489 in words is "sixteen billion, two hundred thirty-five million, forty-nine thousand, four hundred eighty-nine".