2054649063 has 4 divisors (see below), whose sum is σ = 2739532088. Its totient is φ = 1369766040.

The previous prime is 2054649061. The next prime is 2054649071. The reversal of 2054649063 is 3609464502.

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

It is not a de Polignac number, because 2054649063 - 2¹ = 2054649061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054649061) 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, 342441508 + ... + 342441513.

It is an arithmetic number, because the mean of its divisors is an integer number (684883022).

Almost surely, 2^2054649063 is an apocalyptic number.

2054649063 is a deficient number, since it is larger than the sum of its proper divisors (684883025).

2054649063 is an equidigital number, since it uses as much as digits as its factorization.

2054649063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684883024.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2054649063 is about 45328.2369279900. The cubic root of 2054649063 is about 1271.2936707133.

The spelling of 2054649063 in words is "two billion, fifty-four million, six hundred forty-nine thousand, sixty-three".