2002653005 has 4 divisors (see below), whose sum is σ = 2403183612. Its totient is φ = 1602122400.

The previous prime is 2002652957. The next prime is 2002653043. The reversal of 2002653005 is 5003562002.

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 313360804 + 1689292201 = 17702^2 + 41101^2 .

It is not a de Polignac number, because 2002653005 - 2¹⁸ = 2002390861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200265296 + ... + 200265305.

It is an arithmetic number, because the mean of its divisors is an integer number (600795903).

Almost surely, 2^2002653005 is an apocalyptic number.

It is an amenable number.

2002653005 is a deficient number, since it is larger than the sum of its proper divisors (400530607).

2002653005 is an equidigital number, since it uses as much as digits as its factorization.

2002653005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400530606.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2002653005 is about 44751.0112176250. The cubic root of 2002653005 is about 1260.4778998873.

The spelling of 2002653005 in words is "two billion, two million, six hundred fifty-three thousand, five".