1683768273 has 16 divisors (see below), whose sum is σ = 2473371072. Its totient is φ = 1010360000.

The previous prime is 1683768271. The next prime is 1683768313. The reversal of 1683768273 is 3728673861.

It is a cyclic number.

It is not a de Polignac number, because 1683768273 - 2¹ = 1683768271 is a prime.

It is a super-2 number, since 2×1683768273² = 5670151194322805058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1683768271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249258 + ... + 255923.

It is an arithmetic number, because the mean of its divisors is an integer number (154585692).

Almost surely, 2^1683768273 is an apocalyptic number.

It is an amenable number.

1683768273 is a deficient number, since it is larger than the sum of its proper divisors (789602799).

1683768273 is a wasteful number, since it uses less digits than its factorization.

1683768273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505296.

The product of its digits is 2032128, while the sum is 51.

The square root of 1683768273 is about 41033.7455394947. The cubic root of 1683768273 is about 1189.6725490773.

The spelling of 1683768273 in words is "one billion, six hundred eighty-three million, seven hundred sixty-eight thousand, two hundred seventy-three".