648763189310 has 16 divisors (see below), whose sum is σ = 1173010398336. Its totient is φ = 258341574048.

The previous prime is 648763189303. The next prime is 648763189337. The reversal of 648763189310 is 13981367846.

It is a super-2 number, since 2×648763189310² (a number of 24 digits) contains 22 as substring.

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, 145460369 + ... + 145464828.

It is an arithmetic number, because the mean of its divisors is an integer number (73313149896).

Almost surely, 2^648763189310 is an apocalyptic number.

648763189310 is a deficient number, since it is larger than the sum of its proper divisors (524247209026).

648763189310 is a wasteful number, since it uses less digits than its factorization.

648763189310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290925427.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 648763189310 in words is "six hundred forty-eight billion, seven hundred sixty-three million, one hundred eighty-nine thousand, three hundred ten".