2620241653 has 8 divisors (see below), whose sum is σ = 2684842776. Its totient is φ = 2555673600.

The previous prime is 2620241647. The next prime is 2620241707. The reversal of 2620241653 is 3561420262.

It can be written as a sum of positive squares in 4 ways, for example, as 274001809 + 2346239844 = 16553^2 + 48438^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2620241653 - 2¹³ = 2620233461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620241053) by changing a digit.

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, 249925 + ... + 260197.

It is an arithmetic number, because the mean of its divisors is an integer number (335605347).

Almost surely, 2^2620241653 is an apocalyptic number.

It is an amenable number.

2620241653 is a deficient number, since it is larger than the sum of its proper divisors (64601123).

2620241653 is a wasteful number, since it uses less digits than its factorization.

2620241653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16535.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2620241653 is about 51188.2960548600. The cubic root of 2620241653 is about 1378.6280654021.

The spelling of 2620241653 in words is "two billion, six hundred twenty million, two hundred forty-one thousand, six hundred fifty-three".