2645621014 has 8 divisors (see below), whose sum is σ = 3992195088. Its totient is φ = 1314889320.

The previous prime is 2645620997. The next prime is 2645621021. The reversal of 2645621014 is 4101265462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960177 + ... + 3960844.

It is an arithmetic number, because the mean of its divisors is an integer number (499024386).

Almost surely, 2^2645621014 is an apocalyptic number.

2645621014 is a deficient number, since it is larger than the sum of its proper divisors (1346574074).

2645621014 is a wasteful number, since it uses less digits than its factorization.

2645621014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921190.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2645621014 is about 51435.6006478004. The cubic root of 2645621014 is about 1383.0648492866.

Adding to 2645621014 its reverse (4101265462), we get a palindrome (6746886476).

The spelling of 2645621014 in words is "two billion, six hundred forty-five million, six hundred twenty-one thousand, fourteen".