6449622495 has 16 divisors (see below), whose sum is σ = 10357481472. Its totient is φ = 3427103520.

The previous prime is 6449622481. The next prime is 6449622499. The reversal of 6449622495 is 5942269446.

It is not a de Polignac number, because 6449622495 - 2¹⁹ = 6449098207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449622499) 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 15 ways as a sum of consecutive naturals, for example, 789247 + ... + 797376.

It is an arithmetic number, because the mean of its divisors is an integer number (647342592).

Almost surely, 2^6449622495 is an apocalyptic number.

6449622495 is a deficient number, since it is larger than the sum of its proper divisors (3907858977).

6449622495 is a wasteful number, since it uses less digits than its factorization.

6449622495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586902.

The product of its digits is 3732480, while the sum is 51.

The square root of 6449622495 is about 80309.5417431827. The cubic root of 6449622495 is about 1861.4216686087.

The spelling of 6449622495 in words is "six billion, four hundred forty-nine million, six hundred twenty-two thousand, four hundred ninety-five".