806953943961 has 24 divisors (see below), whose sum is σ = 1305930385344. Its totient is φ = 475845075360.

The previous prime is 806953943947. The next prime is 806953943981. The reversal of 806953943961 is 169349359608.

806953943961 is a `hidden beast` number, since 8 + 0 + 6 + 9 + 539 + 4 + 3 + 96 + 1 = 666.

It is not a de Polignac number, because 806953943961 - 2⁶ = 806953943897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806953943911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110145661 + ... + 110152986.

It is an arithmetic number, because the mean of its divisors is an integer number (54413766056).

Almost surely, 2^806953943961 is an apocalyptic number.

It is an amenable number.

806953943961 is a deficient number, since it is larger than the sum of its proper divisors (498976441383).

806953943961 is a wasteful number, since it uses less digits than its factorization.

806953943961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220298701 (or 220298698 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 806953943961 in words is "eight hundred six billion, nine hundred fifty-three million, nine hundred forty-three thousand, nine hundred sixty-one".