2066735497 has 4 divisors (see below), whose sum is σ = 2133404416. Its totient is φ = 2000066580.

The previous prime is 2066735491. The next prime is 2066735501. The reversal of 2066735497 is 7945376602.

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 a de Polignac number, because none of the positive numbers 2^k-2066735497 is a prime.

It is a super-2 number, since 2×2066735497² = 8542791229119674018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066735497.

It is not an unprimeable number, because it can be changed into a prime (2066735491) 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, 33334413 + ... + 33334474.

It is an arithmetic number, because the mean of its divisors is an integer number (533351104).

Almost surely, 2^2066735497 is an apocalyptic number.

It is an amenable number.

2066735497 is a deficient number, since it is larger than the sum of its proper divisors (66668919).

2066735497 is an equidigital number, since it uses as much as digits as its factorization.

2066735497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66668918.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The square root of 2066735497 is about 45461.3626830521. The cubic root of 2066735497 is about 1273.7815856400.

The spelling of 2066735497 in words is "two billion, sixty-six million, seven hundred thirty-five thousand, four hundred ninety-seven".