2620004360641 has 4 divisors (see below), whose sum is σ = 2621978743552. Its totient is φ = 2618029977732.

The previous prime is 2620004360629. The next prime is 2620004360653. The reversal of 2620004360641 is 1460634000262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2620004360629) and next prime (2620004360653).

It is a cyclic number.

It is not a de Polignac number, because 2620004360641 - 2⁵ = 2620004360609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2620004360597 and 2620004360606.

It is not an unprimeable number, because it can be changed into a prime (2620004360671) by changing a digit.

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, 987189465 + ... + 987192118.

It is an arithmetic number, because the mean of its divisors is an integer number (655494685888).

Almost surely, 2^{2620004360641} is an apocalyptic number.

It is an amenable number.

2620004360641 is a deficient number, since it is larger than the sum of its proper divisors (1974382911).

2620004360641 is a wasteful number, since it uses less digits than its factorization.

2620004360641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974382910.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 2620004360641 in words is "two trillion, six hundred twenty billion, four million, three hundred sixty thousand, six hundred forty-one".