2620442660463 has 16 divisors (see below), whose sum is σ = 3882196245760. Its totient is φ = 1746935236728.

The previous prime is 2620442660417. The next prime is 2620442660467. The reversal of 2620442660463 is 3640662440262.

It is not a de Polignac number, because 2620442660463 - 2⁶ = 2620442660399 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 (2620442660467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162206 + ... + 2567412.

It is an arithmetic number, because the mean of its divisors is an integer number (242637265360).

Almost surely, 2^{2620442660463} is an apocalyptic number.

2620442660463 is a deficient number, since it is larger than the sum of its proper divisors (1261753585297).

2620442660463 is a wasteful number, since it uses less digits than its factorization.

2620442660463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474283 (or 1474277 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 2620442660463 in words is "two trillion, six hundred twenty billion, four hundred forty-two million, six hundred sixty thousand, four hundred sixty-three".