2054056439419 has 4 divisors (see below), whose sum is σ = 2056820984496. Its totient is φ = 2051291894344.

The previous prime is 2054056439333. The next prime is 2054056439459. The reversal of 2054056439419 is 9149346504502.

It is a happy number.

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 2054056439419 - 2⁷ = 2054056439291 is a prime.

It is a super-2 number, since 2×2054056439419² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054056439459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382271424 + ... + 1382272909.

It is an arithmetic number, because the mean of its divisors is an integer number (514205246124).

Almost surely, 2^{2054056439419} is an apocalyptic number.

2054056439419 is a deficient number, since it is larger than the sum of its proper divisors (2764545077).

2054056439419 is an equidigital number, since it uses as much as digits as its factorization.

2054056439419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764545076.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 2054056439419 in words is "two trillion, fifty-four billion, fifty-six million, four hundred thirty-nine thousand, four hundred nineteen".