16427699529 has 4 divisors (see below), whose sum is σ = 21903599376. Its totient is φ = 10951799684.

The previous prime is 16427699527. The next prime is 16427699543. The reversal of 16427699529 is 92599672461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92599672461 = 3 ⋅30866557487.

It is a cyclic number.

It is not a de Polignac number, because 16427699529 - 2¹ = 16427699527 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16427699527) 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, 2737949919 + ... + 2737949924.

It is an arithmetic number, because the mean of its divisors is an integer number (5475899844).

Almost surely, 2^16427699529 is an apocalyptic number.

It is an amenable number.

16427699529 is a deficient number, since it is larger than the sum of its proper divisors (5475899847).

16427699529 is an equidigital number, since it uses as much as digits as its factorization.

16427699529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475899846.

The product of its digits is 14696640, while the sum is 60.

The spelling of 16427699529 in words is "sixteen billion, four hundred twenty-seven million, six hundred ninety-nine thousand, five hundred twenty-nine".