1975977325243 has 2 divisors, whose sum is σ = 1975977325244. Its totient is φ = 1975977325242.

The previous prime is 1975977325207. The next prime is 1975977325459. The reversal of 1975977325243 is 3425237795791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1975977325243 - 2¹³ = 1975977317051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1975977305243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987988662621 + 987988662622.

It is an arithmetic number, because the mean of its divisors is an integer number (987988662622).

Almost surely, 2^{1975977325243} is an apocalyptic number.

1975977325243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975977325243 is an equidigital number, since it uses as much as digits as its factorization.

1975977325243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100018800, while the sum is 64.

The spelling of 1975977325243 in words is "one trillion, nine hundred seventy-five billion, nine hundred seventy-seven million, three hundred twenty-five thousand, two hundred forty-three".