684422642701 has 32 divisors (see below), whose sum is σ = 848533335552. Its totient is φ = 538750033920.

The previous prime is 684422642693. The next prime is 684422642719. The reversal of 684422642701 is 107246224486.

It is not a de Polignac number, because 684422642701 - 2³ = 684422642693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684422642401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401995 + ... + 1237111.

It is an arithmetic number, because the mean of its divisors is an integer number (26516666736).

Almost surely, 2^684422642701 is an apocalyptic number.

It is an amenable number.

684422642701 is a deficient number, since it is larger than the sum of its proper divisors (164110692851).

684422642701 is a wasteful number, since it uses less digits than its factorization.

684422642701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835309.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 684422642701 in words is "six hundred eighty-four billion, four hundred twenty-two million, six hundred forty-two thousand, seven hundred one".