2054404542205 has 4 divisors (see below), whose sum is σ = 2465285450652. Its totient is φ = 1643523633760.

The previous prime is 2054404542181. The next prime is 2054404542251. The reversal of 2054404542205 is 5022454044502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1320334287364 + 734070254841 = 1149058^2 + 856779^2 .

It is not a de Polignac number, because 2054404542205 - 2¹⁷ = 2054404411133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205440454216 + ... + 205440454225.

It is an arithmetic number, because the mean of its divisors is an integer number (616321362663).

Almost surely, 2^{2054404542205} is an apocalyptic number.

It is an amenable number.

2054404542205 is a deficient number, since it is larger than the sum of its proper divisors (410880908447).

2054404542205 is an equidigital number, since it uses as much as digits as its factorization.

2054404542205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410880908446.

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 2054404542205 its reverse (5022454044502), we get a palindrome (7076858586707).

The spelling of 2054404542205 in words is "two trillion, fifty-four billion, four hundred four million, five hundred forty-two thousand, two hundred five".