2645063486 has 16 divisors (see below), whose sum is σ = 4273672704. Its totient is φ = 1220547744.

The previous prime is 2645063471. The next prime is 2645063497. The reversal of 2645063486 is 6843605462.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 7 ways as a sum of consecutive naturals, for example, 194051 + ... + 207233.

It is an arithmetic number, because the mean of its divisors is an integer number (267104544).

Almost surely, 2^2645063486 is an apocalyptic number.

2645063486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2645063486 is a deficient number, since it is larger than the sum of its proper divisors (1628609218).

2645063486 is a wasteful number, since it uses less digits than its factorization.

2645063486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 2645063486 is about 51430.1806918856. The cubic root of 2645063486 is about 1382.9676885384.

The spelling of 2645063486 in words is "two billion, six hundred forty-five million, sixty-three thousand, four hundred eighty-six".