16395362449 has 4 divisors (see below), whose sum is σ = 16795249380. Its totient is φ = 15995475520.

The previous prime is 16395362443. The next prime is 16395362461. The reversal of 16395362449 is 94426359361.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1340072449 + 15055290000 = 36607^2 + 122700^2 .

It is a cyclic number.

It is not a de Polignac number, because 16395362449 - 2²⁷ = 16261144721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16395362396 and 16395362405.

It is not an unprimeable number, because it can be changed into a prime (16395362443) 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, 199943404 + ... + 199943485.

It is an arithmetic number, because the mean of its divisors is an integer number (4198812345).

Almost surely, 2^16395362449 is an apocalyptic number.

It is an amenable number.

16395362449 is a deficient number, since it is larger than the sum of its proper divisors (399886931).

16395362449 is an equidigital number, since it uses as much as digits as its factorization.

16395362449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399886930.

The product of its digits is 4199040, while the sum is 52.

The spelling of 16395362449 in words is "sixteen billion, three hundred ninety-five million, three hundred sixty-two thousand, four hundred forty-nine".