680630251535 has 8 divisors (see below), whose sum is σ = 879583709760. Its totient is φ = 502619262624.

The previous prime is 680630251531. The next prime is 680630251579. The reversal of 680630251535 is 535152036086.

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

It is a cyclic number.

It is not a de Polignac number, because 680630251535 - 2² = 680630251531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680630251531) 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, 5235617255 + ... + 5235617384.

It is an arithmetic number, because the mean of its divisors is an integer number (109947963720).

Almost surely, 2^680630251535 is an apocalyptic number.

680630251535 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

680630251535 is a deficient number, since it is larger than the sum of its proper divisors (198953458225).

680630251535 is a wasteful number, since it uses less digits than its factorization.

680630251535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471234657.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 680630251535 in words is "six hundred eighty billion, six hundred thirty million, two hundred fifty-one thousand, five hundred thirty-five".