6472451815 has 8 divisors (see below), whose sum is σ = 7780595760. Its totient is φ = 5168859072.

The previous prime is 6472451767. The next prime is 6472451819. The reversal of 6472451815 is 5181542746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6472451815 - 2¹³ = 6472443623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472451819) 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 7 ways as a sum of consecutive naturals, for example, 1134669 + ... + 1140358.

It is an arithmetic number, because the mean of its divisors is an integer number (972574470).

Almost surely, 2^6472451815 is an apocalyptic number.

6472451815 is a deficient number, since it is larger than the sum of its proper divisors (1308143945).

6472451815 is a wasteful number, since it uses less digits than its factorization.

6472451815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275601.

The product of its digits is 268800, while the sum is 43.

The square root of 6472451815 is about 80451.5494878750. The cubic root of 6472451815 is about 1863.6153344852.

The spelling of 6472451815 in words is "six billion, four hundred seventy-two million, four hundred fifty-one thousand, eight hundred fifteen".