610969686 has 12 divisors (see below), whose sum is σ = 1222060476. Its totient is φ = 203636380.

The previous prime is 610969661. The next prime is 610969691. The reversal of 610969686 is 686969016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55501 + ... + 65591.

It is an arithmetic number, because the mean of its divisors is an integer number (101838373).

Almost surely, 2^610969686 is an apocalyptic number.

610969686 is an abundant number, since it is smaller than the sum of its proper divisors (611090790).

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

610969686 is an frugal number, since it uses more digits than its factorization.

610969686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20187 (or 10096 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 610969686 is about 24717.8009944251. The cubic root of 610969686 is about 848.5417608416.

The spelling of 610969686 in words is "six hundred ten million, nine hundred sixty-nine thousand, six hundred eighty-six".