684141953 has 8 divisors (see below), whose sum is σ = 746618880. Its totient is φ = 621712080.

The previous prime is 684141947. The next prime is 684141977. The reversal of 684141953 is 359141486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 684141953 - 2¹⁶ = 684076417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 684141953.

It is not an unprimeable number, because it can be changed into a prime (684141053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23168 + ... + 43646.

It is an arithmetic number, because the mean of its divisors is an integer number (93327360).

Almost surely, 2^684141953 is an apocalyptic number.

It is an amenable number.

684141953 is a deficient number, since it is larger than the sum of its proper divisors (62476927).

684141953 is a wasteful number, since it uses less digits than its factorization.

684141953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23527.

The product of its digits is 103680, while the sum is 41.

The square root of 684141953 is about 26156.1073747605. The cubic root of 684141953 is about 881.1477589885.

The spelling of 684141953 in words is "six hundred eighty-four million, one hundred forty-one thousand, nine hundred fifty-three".