854016263981 has 8 divisors (see below), whose sum is σ = 883585798680. Its totient is φ = 824454775872.

The previous prime is 854016263869. The next prime is 854016263987. The reversal of 854016263981 is 189362610458.

It can be written as a sum of positive squares in 4 ways, for example, as 6640783081 + 847375480900 = 81491^2 + 920530^2 .

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 854016263981 - 2¹⁴ = 854016247597 is a prime.

It is a super-2 number, since 2×854016263981² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854016263987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795310 + ... + 2220623.

It is an arithmetic number, because the mean of its divisors is an integer number (110448224835).

Almost surely, 2^854016263981 is an apocalyptic number.

It is an amenable number.

854016263981 is a deficient number, since it is larger than the sum of its proper divisors (29569534699).

854016263981 is a wasteful number, since it uses less digits than its factorization.

854016263981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023295.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 854016263981 in words is "eight hundred fifty-four billion, sixteen million, two hundred sixty-three thousand, nine hundred eighty-one".