345705043686 has 16 divisors (see below), whose sum is σ = 691435310400. Its totient is φ = 115230810728.

The previous prime is 345705043601. The next prime is 345705043703. The reversal of 345705043686 is 686340507543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870396 + ... + 1203743.

It is an arithmetic number, because the mean of its divisors is an integer number (43214706900).

Almost surely, 2^345705043686 is an apocalyptic number.

345705043686 is an abundant number, since it is smaller than the sum of its proper divisors (345730266714).

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

345705043686 is a wasteful number, since it uses less digits than its factorization.

345705043686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101923.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 345705043686 in words is "three hundred forty-five billion, seven hundred five million, forty-three thousand, six hundred eighty-six".