2620145564355 has 64 divisors (see below), whose sum is σ = 4671315836928. Its totient is φ = 1243167192960.

The previous prime is 2620145564263. The next prime is 2620145564357. The reversal of 2620145564355 is 5534655410262.

It is not a de Polignac number, because 2620145564355 - 2¹⁶ = 2620145498819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2620145564357) 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 63 ways as a sum of consecutive naturals, for example, 66107074 + ... + 66146696.

It is an arithmetic number, because the mean of its divisors is an integer number (72989309952).

Almost surely, 2^{2620145564355} is an apocalyptic number.

2620145564355 is a deficient number, since it is larger than the sum of its proper divisors (2051170272573).

2620145564355 is a wasteful number, since it uses less digits than its factorization.

2620145564355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48216.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 2620145564355 in words is "two trillion, six hundred twenty billion, one hundred forty-five million, five hundred sixty-four thousand, three hundred fifty-five".