2054146861485 has 12 divisors (see below), whose sum is σ = 3560521226652. Its totient is φ = 1095544992768.

The previous prime is 2054146861469. The next prime is 2054146861523. The reversal of 2054146861485 is 5841686414502.

2054146861485 is a `hidden beast` number, since 2 + 0 + 5 + 4 + 14 + 6 + 8 + 614 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 996700725801 + 1057446135684 = 998349^2 + 1028322^2 .

It is not a de Polignac number, because 2054146861485 - 2⁴ = 2054146861469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22823853972 + ... + 22823854061.

It is an arithmetic number, because the mean of its divisors is an integer number (296710102221).

Almost surely, 2^{2054146861485} is an apocalyptic number.

It is an amenable number.

2054146861485 is a deficient number, since it is larger than the sum of its proper divisors (1506374365167).

2054146861485 is a wasteful number, since it uses less digits than its factorization.

2054146861485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45647708044 (or 45647708041 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 2054146861485 in words is "two trillion, fifty-four billion, one hundred forty-six million, eight hundred sixty-one thousand, four hundred eighty-five".