683653042 has 16 divisors (see below), whose sum is σ = 1055189592. Its totient is φ = 332051200.

The previous prime is 683653039. The next prime is 683653043. The reversal of 683653042 is 240356386.

It can be written as a sum of positive squares in 4 ways, for example, as 676572121 + 7080921 = 26011^2 + 2661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 683652992 and 683653010.

It is not an unprimeable number, because it can be changed into a prime (683653043) by changing a digit.

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, 21223 + ... + 42634.

Almost surely, 2^683653042 is an apocalyptic number.

683653042 is a deficient number, since it is larger than the sum of its proper divisors (371536550).

683653042 is a wasteful number, since it uses less digits than its factorization.

683653042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64013.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 683653042 is about 26146.7596845192. The cubic root of 683653042 is about 880.9378096289.

The spelling of 683653042 in words is "six hundred eighty-three million, six hundred fifty-three thousand, forty-two".