849722146524 has 24 divisors (see below), whose sum is σ = 2202983343120. Its totient is φ = 283240715472.

The previous prime is 849722146489. The next prime is 849722146549. The reversal of 849722146524 is 425641227948.

849722146524 is a `hidden beast` number, since 8 + 4 + 9 + 72 + 2 + 1 + 46 + 524 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3933898719 + ... + 3933898934.

It is an arithmetic number, because the mean of its divisors is an integer number (91790972630).

Almost surely, 2^849722146524 is an apocalyptic number.

It is an amenable number.

849722146524 is an abundant number, since it is smaller than the sum of its proper divisors (1353261196596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849722146524 is a wasteful number, since it uses less digits than its factorization.

849722146524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867797666 (or 7867797658 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 849722146524 in words is "eight hundred forty-nine billion, seven hundred twenty-two million, one hundred forty-six thousand, five hundred twenty-four".