861930642414 has 16 divisors (see below), whose sum is σ = 1724007652560. Its totient is φ = 287285819520.

The previous prime is 861930642389. The next prime is 861930642421. The reversal of 861930642414 is 414246039168.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6022027 + ... + 6163494.

It is an arithmetic number, because the mean of its divisors is an integer number (107750478285).

Almost surely, 2^861930642414 is an apocalyptic number.

861930642414 is an abundant number, since it is smaller than the sum of its proper divisors (862077010146).

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

861930642414 is a wasteful number, since it uses less digits than its factorization.

861930642414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197315.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 861930642414 in words is "eight hundred sixty-one billion, nine hundred thirty million, six hundred forty-two thousand, four hundred fourteen".