861041916273 has 64 divisors (see below), whose sum is σ = 1470078720000. Its totient is φ = 435266818560.

The previous prime is 861041916263. The next prime is 861041916283. The reversal of 861041916273 is 372619140168.

861041916273 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (861041916263) and next prime (861041916283).

It is not a de Polignac number, because 861041916273 - 2¹² = 861041912177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (861041916233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2510853 + ... + 2833101.

It is an arithmetic number, because the mean of its divisors is an integer number (22969980000).

Almost surely, 2^861041916273 is an apocalyptic number.

It is an amenable number.

861041916273 is a deficient number, since it is larger than the sum of its proper divisors (609036803727).

861041916273 is a wasteful number, since it uses less digits than its factorization.

861041916273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322582.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 861041916273 in words is "eight hundred sixty-one billion, forty-one million, nine hundred sixteen thousand, two hundred seventy-three".