684105042524 has 12 divisors (see below), whose sum is σ = 1211607726504. Its totient is φ = 337931406384.

The previous prime is 684105042493. The next prime is 684105042527. The reversal of 684105042524 is 425240501486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684105042527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030278347 + ... + 1030279010.

It is an arithmetic number, because the mean of its divisors is an integer number (100967310542).

Almost surely, 2^684105042524 is an apocalyptic number.

It is an amenable number.

684105042524 is a deficient number, since it is larger than the sum of its proper divisors (527502683980).

684105042524 is a wasteful number, since it uses less digits than its factorization.

684105042524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060557444 (or 2060557442 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 684105042524 in words is "six hundred eighty-four billion, one hundred five million, forty-two thousand, five hundred twenty-four".