2663870497 has 4 divisors (see below), whose sum is σ = 2673487636. Its totient is φ = 2654253360.

The previous prime is 2663870477. The next prime is 2663870501. The reversal of 2663870497 is 7940783662.

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 188210961 + 2475659536 = 13719^2 + 49756^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663870497 - 2¹⁹ = 2663346209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2663870467) 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, 4808154 + ... + 4808707.

It is an arithmetic number, because the mean of its divisors is an integer number (668371909).

Almost surely, 2^2663870497 is an apocalyptic number.

It is an amenable number.

2663870497 is a deficient number, since it is larger than the sum of its proper divisors (9617139).

2663870497 is an equidigital number, since it uses as much as digits as its factorization.

2663870497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617138.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The square root of 2663870497 is about 51612.6970521789. The cubic root of 2663870497 is about 1386.2376902526.

The spelling of 2663870497 in words is "two billion, six hundred sixty-three million, eight hundred seventy thousand, four hundred ninety-seven".