1671474307553 has 2 divisors, whose sum is σ = 1671474307554. Its totient is φ = 1671474307552.

The previous prime is 1671474307549. The next prime is 1671474307561. The reversal of 1671474307553 is 3557034741761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1537146193489 + 134328114064 = 1239817^2 + 366508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671474307553 - 2² = 1671474307549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1671474307495 and 1671474307504.

It is not a weakly prime, because it can be changed into another prime (1671474307453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835737153776 + 835737153777.

It is an arithmetic number, because the mean of its divisors is an integer number (835737153777).

Almost surely, 2^{1671474307553} is an apocalyptic number.

It is an amenable number.

1671474307553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671474307553 is an equidigital number, since it uses as much as digits as its factorization.

1671474307553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 1671474307553 in words is "one trillion, six hundred seventy-one billion, four hundred seventy-four million, three hundred seven thousand, five hundred fifty-three".