16407625849 has 4 divisors (see below), whose sum is σ = 16413449040. Its totient is φ = 16401802660.

The previous prime is 16407625823. The next prime is 16407625873. The reversal of 16407625849 is 94852670461.

16407625849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 94852670461 = 10891 ⋅8709271.

It is a cyclic number.

It is not a de Polignac number, because 16407625849 - 2¹³ = 16407617657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16407625796 and 16407625805.

It is not an unprimeable number, because it can be changed into a prime (16407625889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907367 + ... + 2913004.

It is an arithmetic number, because the mean of its divisors is an integer number (4103362260).

Almost surely, 2^16407625849 is an apocalyptic number.

It is an amenable number.

16407625849 is a deficient number, since it is larger than the sum of its proper divisors (5823191).

16407625849 is an equidigital number, since it uses as much as digits as its factorization.

16407625849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823190.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 16407625849 in words is "sixteen billion, four hundred seven million, six hundred twenty-five thousand, eight hundred forty-nine".