16476394349 has 4 divisors (see below), whose sum is σ = 16477011936. Its totient is φ = 16475776764.

The previous prime is 16476394309. The next prime is 16476394381. The reversal of 16476394349 is 94349367461.

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: 94349367461 = 83 ⋅1136739367.

It is a cyclic number.

It is not a de Polignac number, because 16476394349 - 2¹² = 16476390253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16476394294 and 16476394303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16476394309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266879 + ... + 322764.

It is an arithmetic number, because the mean of its divisors is an integer number (4119252984).

Almost surely, 2^16476394349 is an apocalyptic number.

It is an amenable number.

16476394349 is a deficient number, since it is larger than the sum of its proper divisors (617587).

16476394349 is an equidigital number, since it uses as much as digits as its factorization.

16476394349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617586.

The product of its digits is 11757312, while the sum is 56.

The spelling of 16476394349 in words is "sixteen billion, four hundred seventy-six million, three hundred ninety-four thousand, three hundred forty-nine".