985690159941 has 16 divisors (see below), whose sum is σ = 1371901363328. Its totient is φ = 628885166400.

The previous prime is 985690159891. The next prime is 985690159967. The reversal of 985690159941 is 149951096589.

It is not a de Polignac number, because 985690159941 - 2¹³ = 985690151749 is a prime.

It is a super-2 number, since 2×985690159941² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985690159541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72780865 + ... + 72794406.

It is an arithmetic number, because the mean of its divisors is an integer number (85743835208).

Almost surely, 2^985690159941 is an apocalyptic number.

It is an amenable number.

985690159941 is a deficient number, since it is larger than the sum of its proper divisors (386211203387).

985690159941 is a wasteful number, since it uses less digits than its factorization.

985690159941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145575372.

The product of its (nonzero) digits is 31492800, while the sum is 66.

The spelling of 985690159941 in words is "nine hundred eighty-five billion, six hundred ninety million, one hundred fifty-nine thousand, nine hundred forty-one".