2621464555023 has 12 divisors (see below), whose sum is σ = 3888899370408. Its totient is φ = 1700409440880.

The previous prime is 2621464555013. The next prime is 2621464555043. The reversal of 2621464555023 is 3205554641262.

2621464555023 is a `hidden beast` number, since 2 + 6 + 2 + 14 + 64 + 5 + 550 + 23 = 666.

It is not a de Polignac number, because 2621464555023 - 2⁸ = 2621464554767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2621464555023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621464555013) 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 11 ways as a sum of consecutive naturals, for example, 3936132633 + ... + 3936133298.

It is an arithmetic number, because the mean of its divisors is an integer number (324074947534).

Almost surely, 2^{2621464555023} is an apocalyptic number.

2621464555023 is a deficient number, since it is larger than the sum of its proper divisors (1267434815385).

2621464555023 is a wasteful number, since it uses less digits than its factorization.

2621464555023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872265974 (or 7872265971 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 2621464555023 in words is "two trillion, six hundred twenty-one billion, four hundred sixty-four million, five hundred fifty-five thousand, twenty-three".