649182654564 has 24 divisors (see below), whose sum is σ = 1517340054048. Its totient is φ = 216025571520.

The previous prime is 649182654553. The next prime is 649182654569. The reversal of 649182654564 is 465456281946.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 649182654498 and 649182654507.

It is not an unprimeable number, because it can be changed into a prime (649182654569) 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, 46073497 + ... + 46087584.

It is an arithmetic number, because the mean of its divisors is an integer number (63222502252).

Almost surely, 2^649182654564 is an apocalyptic number.

It is an amenable number.

649182654564 is an abundant number, since it is smaller than the sum of its proper divisors (868157399484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649182654564 is a wasteful number, since it uses less digits than its factorization.

649182654564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92161675 (or 92161673 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 60.

The spelling of 649182654564 in words is "six hundred forty-nine billion, one hundred eighty-two million, six hundred fifty-four thousand, five hundred sixty-four".