844353502612 has 6 divisors (see below), whose sum is σ = 1477618629578. Its totient is φ = 422176751304.

The previous prime is 844353502579. The next prime is 844353502687. The reversal of 844353502612 is 216205353448.

It can be written as a sum of positive squares in only one way, i.e., 783515306896 + 60838195716 = 885164^2 + 246654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105544187823 + ... + 105544187830.

Almost surely, 2^844353502612 is an apocalyptic number.

It is an amenable number.

844353502612 is a deficient number, since it is larger than the sum of its proper divisors (633265126966).

844353502612 is a wasteful number, since it uses less digits than its factorization.

844353502612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211088375657 (or 211088375655 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 844353502612 in words is "eight hundred forty-four billion, three hundred fifty-three million, five hundred two thousand, six hundred twelve".