861430964241 has 8 divisors (see below), whose sum is σ = 1148627083680. Its totient is φ = 574261077152.

The previous prime is 861430964239. The next prime is 861430964263. The reversal of 861430964241 is 142469034168.

It is a happy number.

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 861430964241 - 2¹ = 861430964239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (861430964291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6481335 + ... + 6612908.

It is an arithmetic number, because the mean of its divisors is an integer number (143578385460).

Almost surely, 2^861430964241 is an apocalyptic number.

It is an amenable number.

861430964241 is a deficient number, since it is larger than the sum of its proper divisors (287196119439).

861430964241 is a wasteful number, since it uses less digits than its factorization.

861430964241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116175.

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

The spelling of 861430964241 in words is "eight hundred sixty-one billion, four hundred thirty million, nine hundred sixty-four thousand, two hundred forty-one".