2054273851 has 4 divisors (see below), whose sum is σ = 2347741552. Its totient is φ = 1760806152.

The previous prime is 2054273849. The next prime is 2054273867. The reversal of 2054273851 is 1583724502.

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

It is not a de Polignac number, because 2054273851 - 2¹ = 2054273849 is a prime.

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 2054273851.

It is not an unprimeable number, because it can be changed into a prime (2054273651) 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, 146733840 + ... + 146733853.

It is an arithmetic number, because the mean of its divisors is an integer number (586935388).

Almost surely, 2^2054273851 is an apocalyptic number.

2054273851 is a deficient number, since it is larger than the sum of its proper divisors (293467701).

2054273851 is an equidigital number, since it uses as much as digits as its factorization.

2054273851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293467700.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2054273851 is about 45324.0979060808. The cubic root of 2054273851 is about 1271.2162797712.

The spelling of 2054273851 in words is "two billion, fifty-four million, two hundred seventy-three thousand, eight hundred fifty-one".