2054146861443 has 4 divisors (see below), whose sum is σ = 2738862481928. Its totient is φ = 1369431240960.

The previous prime is 2054146861439. The next prime is 2054146861451. The reversal of 2054146861443 is 3441686414502.

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

It is not a de Polignac number, because 2054146861443 - 2² = 2054146861439 is a prime.

It is a super-2 number, since 2×2054146861443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2054146861392 and 2054146861401.

It is not an unprimeable number, because it can be changed into a prime (2054146861453) 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, 342357810238 + ... + 342357810243.

It is an arithmetic number, because the mean of its divisors is an integer number (684715620482).

Almost surely, 2^{2054146861443} is an apocalyptic number.

2054146861443 is a deficient number, since it is larger than the sum of its proper divisors (684715620485).

2054146861443 is an equidigital number, since it uses as much as digits as its factorization.

2054146861443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684715620484.

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 2054146861443 in words is "two trillion, fifty-four billion, one hundred forty-six million, eight hundred sixty-one thousand, four hundred forty-three".