649182427361 has 8 divisors (see below), whose sum is σ = 699258349440. Its totient is φ = 599126335632.

The previous prime is 649182427349. The next prime is 649182427393. The reversal of 649182427361 is 163724281946.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-649182427361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649182427331) 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 7 ways as a sum of consecutive naturals, for example, 4889555 + ... + 5020568.

It is an arithmetic number, because the mean of its divisors is an integer number (87407293680).

Almost surely, 2^649182427361 is an apocalyptic number.

It is an amenable number.

649182427361 is a deficient number, since it is larger than the sum of its proper divisors (50075922079).

649182427361 is a wasteful number, since it uses less digits than its factorization.

649182427361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915175.

The product of its digits is 3483648, while the sum is 53.

The spelling of 649182427361 in words is "six hundred forty-nine billion, one hundred eighty-two million, four hundred twenty-seven thousand, three hundred sixty-one".