849904896141 has 72 divisors (see below), whose sum is σ = 1485133690560. Its totient is φ = 457535796480.

The previous prime is 849904896133. The next prime is 849904896173. The reversal of 849904896141 is 141698409948.

849904896141 is a `hidden beast` number, since 8 + 4 + 9 + 9 + 0 + 4 + 8 + 9 + 614 + 1 = 666.

It is not a de Polignac number, because 849904896141 - 2³ = 849904896133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849904896041) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 39204081 + ... + 39225753.

Almost surely, 2^849904896141 is an apocalyptic number.

It is an amenable number.

849904896141 is a deficient number, since it is larger than the sum of its proper divisors (635228794419).

849904896141 is a wasteful number, since it uses less digits than its factorization.

849904896141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22067 (or 21883 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 849904896141 in words is "eight hundred forty-nine billion, nine hundred four million, eight hundred ninety-six thousand, one hundred forty-one".