2654545817851 has 4 divisors (see below), whose sum is σ = 2659952225304. Its totient is φ = 2649139410400.

The previous prime is 2654545817821. The next prime is 2654545817863. The reversal of 2654545817851 is 1587185454562.

2654545817851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2654545817851 - 2⁷ = 2654545817723 is a prime.

It is a super-2 number, since 2×2654545817851² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2654545817851.

It is not an unprimeable number, because it can be changed into a prime (2654545817821) 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, 2703202990 + ... + 2703203971.

It is an arithmetic number, because the mean of its divisors is an integer number (664988056326).

Almost surely, 2^{2654545817851} is an apocalyptic number.

2654545817851 is a deficient number, since it is larger than the sum of its proper divisors (5406407453).

2654545817851 is an equidigital number, since it uses as much as digits as its factorization.

2654545817851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406407452.

The product of its digits is 53760000, while the sum is 61.

The spelling of 2654545817851 in words is "two trillion, six hundred fifty-four billion, five hundred forty-five million, eight hundred seventeen thousand, eight hundred fifty-one".