683703661383 has 10 divisors (see below), whose sum is σ = 1021335099224. Its totient is φ = 455802440868.

The previous prime is 683703661357. The next prime is 683703661393. The reversal of 683703661383 is 383166307386.

683703661383 is a `hidden beast` number, since 6 + 83 + 70 + 366 + 138 + 3 = 666.

It is not a de Polignac number, because 683703661383 - 2¹⁶ = 683703595847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683703661393) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4220392891 + ... + 4220393052.

Almost surely, 2^683703661383 is an apocalyptic number.

683703661383 is a deficient number, since it is larger than the sum of its proper divisors (337631437841).

683703661383 is an equidigital number, since it uses as much as digits as its factorization.

683703661383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440785955 (or 8440785946 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 683703661383 in words is "six hundred eighty-three billion, seven hundred three million, six hundred sixty-one thousand, three hundred eighty-three".