1683640260033 has 4 divisors (see below), whose sum is σ = 2244853680048. Its totient is φ = 1122426840020.

The previous prime is 1683640260031. The next prime is 1683640260037. The reversal of 1683640260033 is 3300620463861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1683640260033 - 2¹ = 1683640260031 is a prime.

It is a super-2 number, since 2×1683640260033² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1683640260031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280606710003 + ... + 280606710008.

It is an arithmetic number, because the mean of its divisors is an integer number (561213420012).

Almost surely, 2^{1683640260033} is an apocalyptic number.

It is an amenable number.

1683640260033 is a deficient number, since it is larger than the sum of its proper divisors (561213420015).

1683640260033 is an equidigital number, since it uses as much as digits as its factorization.

1683640260033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561213420014.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 1683640260033 in words is "one trillion, six hundred eighty-three billion, six hundred forty million, two hundred sixty thousand, thirty-three".