683955801 has 6 divisors (see below), whose sum is σ = 987936170. Its totient is φ = 455970528.

The previous prime is 683955799. The next prime is 683955803. The reversal of 683955801 is 108559386.

683955801 is a `hidden beast` number, since 68 + 3 + 9 + 5 + 580 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (683955799) and next prime (683955803).

It can be written as a sum of positive squares in only one way, i.e., 668274201 + 15681600 = 25851^2 + 3960^2 .

It is not a de Polignac number, because 683955801 - 2¹ = 683955799 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (683955803) 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 5 ways as a sum of consecutive naturals, for example, 37997536 + ... + 37997553.

Almost surely, 2^683955801 is an apocalyptic number.

It is an amenable number.

683955801 is a deficient number, since it is larger than the sum of its proper divisors (303980369).

683955801 is a wasteful number, since it uses less digits than its factorization.

683955801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75995095 (or 75995092 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 683955801 is about 26152.5486520913. The cubic root of 683955801 is about 881.0678329361.

It can be divided in two parts, 683 and 955801, that added together give a square (956484 = 978²).

The spelling of 683955801 in words is "six hundred eighty-three million, nine hundred fifty-five thousand, eight hundred one".