2665083973 has 4 divisors (see below), whose sum is σ = 2665464940. Its totient is φ = 2664703008.

The previous prime is 2665083947. The next prime is 2665083983. The reversal of 2665083973 is 3793805662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 833072769 + 1832011204 = 28863^2 + 42802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2665083973 - 2⁹ = 2665083461 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 (2665083943) 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, 179790 + ... + 194047.

It is an arithmetic number, because the mean of its divisors is an integer number (666366235).

Almost surely, 2^2665083973 is an apocalyptic number.

It is an amenable number.

2665083973 is a deficient number, since it is larger than the sum of its proper divisors (380967).

2665083973 is an equidigital number, since it uses as much as digits as its factorization.

2665083973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380966.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 2665083973 is about 51624.4513094328. The cubic root of 2665083973 is about 1386.4481497835.

The spelling of 2665083973 in words is "two billion, six hundred sixty-five million, eighty-three thousand, nine hundred seventy-three".