412854019981 has 16 divisors (see below), whose sum is σ = 447165351360. Its totient is φ = 378908115840.

The previous prime is 412854019973. The next prime is 412854020011. The reversal of 412854019981 is 189910458214.

It is a cyclic number.

It is not a de Polignac number, because 412854019981 - 2³ = 412854019973 is a prime.

It is a super-2 number, since 2×412854019981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412854019951) 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 15 ways as a sum of consecutive naturals, for example, 23826801 + ... + 23844121.

It is an arithmetic number, because the mean of its divisors is an integer number (27947834460).

Almost surely, 2^412854019981 is an apocalyptic number.

It is an amenable number.

412854019981 is a deficient number, since it is larger than the sum of its proper divisors (34311331379).

412854019981 is a wasteful number, since it uses less digits than its factorization.

412854019981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27756.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 412854019981 in words is "four hundred twelve billion, eight hundred fifty-four million, nineteen thousand, nine hundred eighty-one".