16474900449 has 16 divisors (see below), whose sum is σ = 25386687360. Its totient is φ = 9308449920.

The previous prime is 16474900411. The next prime is 16474900457. The reversal of 16474900449 is 94400947461.

It is not a de Polignac number, because 16474900449 - 2¹⁶ = 16474834913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16474900398 and 16474900407.

It is not an unprimeable number, because it can be changed into a prime (16474900489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4405542 + ... + 4409279.

It is an arithmetic number, because the mean of its divisors is an integer number (1586667960).

Almost surely, 2^16474900449 is an apocalyptic number.

It is an amenable number.

16474900449 is a deficient number, since it is larger than the sum of its proper divisors (8911786911).

16474900449 is an equidigital number, since it uses as much as digits as its factorization.

16474900449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814920.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 16474900449 in words is "sixteen billion, four hundred seventy-four million, nine hundred thousand, four hundred forty-nine".