1576121345473 has 2 divisors, whose sum is σ = 1576121345474. Its totient is φ = 1576121345472.

The previous prime is 1576121345401. The next prime is 1576121345509. The reversal of 1576121345473 is 3745431216751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803984809104 + 772136536369 = 896652^2 + 878713^2 .

It is a cyclic number.

It is not a de Polignac number, because 1576121345473 - 2²¹ = 1576119248321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1576121345173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788060672736 + 788060672737.

It is an arithmetic number, because the mean of its divisors is an integer number (788060672737).

Almost surely, 2^{1576121345473} is an apocalyptic number.

It is an amenable number.

1576121345473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1576121345473 is an equidigital number, since it uses as much as digits as its factorization.

1576121345473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 49.

The spelling of 1576121345473 in words is "one trillion, five hundred seventy-six billion, one hundred twenty-one million, three hundred forty-five thousand, four hundred seventy-three".