2054271345409 has 4 divisors (see below), whose sum is σ = 2054428137216. Its totient is φ = 2054114553604.

The previous prime is 2054271345407. The next prime is 2054271345431. The reversal of 2054271345409 is 9045431724502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2054271345409 - 2¹ = 2054271345407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054271345407) 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, 78376249 + ... + 78402454.

It is an arithmetic number, because the mean of its divisors is an integer number (513607034304).

Almost surely, 2^{2054271345409} is an apocalyptic number.

It is an amenable number.

2054271345409 is a deficient number, since it is larger than the sum of its proper divisors (156791807).

2054271345409 is a wasteful number, since it uses less digits than its factorization.

2054271345409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156791806.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 2054271345409 in words is "two trillion, fifty-four billion, two hundred seventy-one million, three hundred forty-five thousand, four hundred nine".