16469693871 has 4 divisors (see below), whose sum is σ = 21959591832. Its totient is φ = 10979795912.

The previous prime is 16469693813. The next prime is 16469693941. The reversal of 16469693871 is 17839696461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16469693871 - 2¹⁴ = 16469677487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16469693171) 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, 2744948976 + ... + 2744948981.

It is an arithmetic number, because the mean of its divisors is an integer number (5489897958).

Almost surely, 2^16469693871 is an apocalyptic number.

16469693871 is a deficient number, since it is larger than the sum of its proper divisors (5489897961).

16469693871 is an equidigital number, since it uses as much as digits as its factorization.

16469693871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489897960.

The product of its digits is 11757312, while the sum is 60.

The spelling of 16469693871 in words is "sixteen billion, four hundred sixty-nine million, six hundred ninety-three thousand, eight hundred seventy-one".