682109505 has 192 divisors, whose sum is σ = 1600155648. Its totient is φ = 270293760.

The previous prime is 682109489. The next prime is 682109587. The reversal of 682109505 is 505901286.

It is a happy number.

It is not a de Polignac number, because 682109505 - 2⁴ = 682109489 is a prime.

It is a super-2 number, since 2×682109505² = 930546753622690050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 682109505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2151607 + ... + 2151923.

It is an arithmetic number, because the mean of its divisors is an integer number (8334144).

Almost surely, 2^682109505 is an apocalyptic number.

It is an amenable number.

682109505 is an abundant number, since it is smaller than the sum of its proper divisors (918046143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682109505 is a wasteful number, since it uses less digits than its factorization.

682109505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 682109505 is about 26117.2262118319. The cubic root of 682109505 is about 880.2743226204.

The spelling of 682109505 in words is "six hundred eighty-two million, one hundred nine thousand, five hundred five".