999213110541 has 8 divisors (see below), whose sum is σ = 1480315719360. Its totient is φ = 666142073676.

The previous prime is 999213110537. The next prime is 999213110561. The reversal of 999213110541 is 145011312999.

It is a happy number.

999213110541 is a `hidden beast` number, since 9 + 9 + 92 + 1 + 3 + 1 + 10 + 541 = 666.

999213110541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 999213110541 - 2² = 999213110537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999213110501) 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, 18503946465 + ... + 18503946518.

It is an arithmetic number, because the mean of its divisors is an integer number (185039464920).

Almost surely, 2^999213110541 is an apocalyptic number.

It is an amenable number.

999213110541 is a deficient number, since it is larger than the sum of its proper divisors (481102608819).

999213110541 is a wasteful number, since it uses less digits than its factorization.

999213110541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37007892992 (or 37007892986 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 999213110541 in words is "nine hundred ninety-nine billion, two hundred thirteen million, one hundred ten thousand, five hundred forty-one".