649418814946 has 16 divisors (see below), whose sum is σ = 1062698035968. Its totient is φ = 295186842000.

The previous prime is 649418814943. The next prime is 649418814959.

649418814946 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (649418814943) 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, 2891476 + ... + 3107968.

It is an arithmetic number, because the mean of its divisors is an integer number (66418627248).

Almost surely, 2^649418814946 is an apocalyptic number.

649418814946 is a deficient number, since it is larger than the sum of its proper divisors (413279221022).

649418814946 is a wasteful number, since it uses less digits than its factorization.

649418814946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352857.

The product of its digits is 47775744, while the sum is 64.

The spelling of 649418814946 in words is "six hundred forty-nine billion, four hundred eighteen million, eight hundred fourteen thousand, nine hundred forty-six".