16434279149 has 8 divisors (see below), whose sum is σ = 17003568000. Its totient is φ = 15865162992.

The previous prime is 16434279139. The next prime is 16434279163. The reversal of 16434279149 is 94197243461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16434279149 - 2²⁸ = 16165843693 is a prime.

It is a super-2 number, since 2×16434279149² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16434279097 and 16434279106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434279139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168032 + ... + 247190.

It is an arithmetic number, because the mean of its divisors is an integer number (2125446000).

Almost surely, 2^16434279149 is an apocalyptic number.

It is an amenable number.

16434279149 is a deficient number, since it is larger than the sum of its proper divisors (569288851).

16434279149 is an equidigital number, since it uses as much as digits as its factorization.

16434279149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86347.

The product of its digits is 1306368, while the sum is 50.

The spelling of 16434279149 in words is "sixteen billion, four hundred thirty-four million, two hundred seventy-nine thousand, one hundred forty-nine".