649176669907 has 8 divisors (see below), whose sum is σ = 683550564800. Its totient is φ = 614823445224.

The previous prime is 649176669887. The next prime is 649176669949. The reversal of 649176669907 is 709966671946.

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

It is not a de Polignac number, because 649176669907 - 2¹¹ = 649176667859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649176069907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5103057 + ... + 5228722.

It is an arithmetic number, because the mean of its divisors is an integer number (85443820600).

Almost surely, 2^649176669907 is an apocalyptic number.

649176669907 is a deficient number, since it is larger than the sum of its proper divisors (34373894893).

649176669907 is a wasteful number, since it uses less digits than its factorization.

649176669907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335105.

The product of its (nonzero) digits is 185177664, while the sum is 70.

The spelling of 649176669907 in words is "six hundred forty-nine billion, one hundred seventy-six million, six hundred sixty-nine thousand, nine hundred seven".