648869614 has 16 divisors (see below), whose sum is σ = 983778048. Its totient is φ = 320952312.

The previous prime is 648869609. The next prime is 648869621. The reversal of 648869614 is 416968846.

It is a congruent number.

It is an unprimeable number.

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, 192427 + ... + 195769.

It is an arithmetic number, because the mean of its divisors is an integer number (61486128).

Almost surely, 2^648869614 is an apocalyptic number.

648869614 is a deficient number, since it is larger than the sum of its proper divisors (334908434).

648869614 is a wasteful number, since it uses less digits than its factorization.

648869614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

The product of its digits is 1990656, while the sum is 52.

The square root of 648869614 is about 25472.9192280744. The cubic root of 648869614 is about 865.7366680460.

The spelling of 648869614 in words is "six hundred forty-eight million, eight hundred sixty-nine thousand, six hundred fourteen".