6477648236013 has 8 divisors (see below), whose sum is σ = 9091436120800. Its totient is φ = 4091146254288.

The previous prime is 6477648236009. The next prime is 6477648236023. The reversal of 6477648236013 is 3106328467746.

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

It is not a de Polignac number, because 6477648236013 - 2² = 6477648236009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 113642951509 = 6477648236013 / (6 + 4 + 7 + 7 + 6 + 4 + 8 + 2 + 3 + 6 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477648236023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56821475698 + ... + 56821475811.

It is an arithmetic number, because the mean of its divisors is an integer number (1136429515100).

Almost surely, 2^{6477648236013} is an apocalyptic number.

It is an amenable number.

6477648236013 is a deficient number, since it is larger than the sum of its proper divisors (2613787884787).

6477648236013 is a wasteful number, since it uses less digits than its factorization.

6477648236013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113642951531.

The product of its (nonzero) digits is 24385536, while the sum is 57.

The spelling of 6477648236013 in words is "six trillion, four hundred seventy-seven billion, six hundred forty-eight million, two hundred thirty-six thousand, thirteen".