649076549184 has 112 divisors (see below), whose sum is σ = 2180759875200. Its totient is φ = 185450439168.

The previous prime is 649076549171. The next prime is 649076549189. The reversal of 649076549184 is 481945670946.

649076549184 is a `hidden beast` number, since 6 + 4 + 9 + 0 + 7 + 6 + 549 + 1 + 84 = 666.

649076549184 is digitally balanced in base 2, base 4 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (649076549189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26818119 + ... + 26842310.

Almost surely, 2^649076549184 is an apocalyptic number.

649076549184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

649076549184 is an abundant number, since it is smaller than the sum of its proper divisors (1531683326016).

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

649076549184 is a wasteful number, since it uses less digits than its factorization.

649076549184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53660457 (or 53660441 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 649076549184 in words is "six hundred forty-nine billion, seventy-six million, five hundred forty-nine thousand, one hundred eighty-four".