1973542707053 has 2 divisors, whose sum is σ = 1973542707054. Its totient is φ = 1973542707052.

The previous prime is 1973542707001. The next prime is 1973542707133. The reversal of 1973542707053 is 3507072453791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214575918084 + 758966788969 = 1102078^2 + 871187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1973542707053 - 2¹⁰ = 1973542706029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1973542706986 and 1973542707004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973542707553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986771353526 + 986771353527.

It is an arithmetic number, because the mean of its divisors is an integer number (986771353527).

Almost surely, 2^{1973542707053} is an apocalyptic number.

It is an amenable number.

1973542707053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973542707053 is an equidigital number, since it uses as much as digits as its factorization.

1973542707053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5556600, while the sum is 53.

The spelling of 1973542707053 in words is "one trillion, nine hundred seventy-three billion, five hundred forty-two million, seven hundred seven thousand, fifty-three".