1975443330071 has 4 divisors (see below), whose sum is σ = 1994622391632. Its totient is φ = 1956264268512.

The previous prime is 1975443330041. The next prime is 1975443330083. The reversal of 1975443330071 is 1700333445791.

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

It is a cyclic number.

It is not a de Polignac number, because 1975443330071 - 2¹⁰ = 1975443329047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1975443329998 and 1975443330025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975443330031) 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, 9589530626 + ... + 9589530831.

It is an arithmetic number, because the mean of its divisors is an integer number (498655597908).

Almost surely, 2^{1975443330071} is an apocalyptic number.

1975443330071 is a deficient number, since it is larger than the sum of its proper divisors (19179061561).

1975443330071 is a wasteful number, since it uses less digits than its factorization.

1975443330071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19179061560.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 1975443330071 in words is "one trillion, nine hundred seventy-five billion, four hundred forty-three million, three hundred thirty thousand, seventy-one".