2628485564729 has 4 divisors (see below), whose sum is σ = 2628491960976. Its totient is φ = 2628479168484.

The previous prime is 2628485564717. The next prime is 2628485564777. The reversal of 2628485564729 is 9274655848262.

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 a cyclic number.

It is not a de Polignac number, because 2628485564729 - 2²⁸ = 2628217129273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2628485464729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536019 + ... + 3418824.

It is an arithmetic number, because the mean of its divisors is an integer number (657122990244).

Almost surely, 2^{2628485564729} is an apocalyptic number.

It is an amenable number.

2628485564729 is a deficient number, since it is larger than the sum of its proper divisors (6396247).

2628485564729 is an equidigital number, since it uses as much as digits as its factorization.

2628485564729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6396246.

The product of its digits is 464486400, while the sum is 68.

The spelling of 2628485564729 in words is "two trillion, six hundred twenty-eight billion, four hundred eighty-five million, five hundred sixty-four thousand, seven hundred twenty-nine".