1972142580773 has 2 divisors, whose sum is σ = 1972142580774. Its totient is φ = 1972142580772.

The previous prime is 1972142580767. The next prime is 1972142580827. The reversal of 1972142580773 is 3770852412791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1589863766404 + 382278814369 = 1260898^2 + 618287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1972142580773 - 2⁸ = 1972142580517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1972142580763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986071290386 + 986071290387.

It is an arithmetic number, because the mean of its divisors is an integer number (986071290387).

Almost surely, 2^{1972142580773} is an apocalyptic number.

It is an amenable number.

1972142580773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972142580773 is an equidigital number, since it uses as much as digits as its factorization.

1972142580773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 1972142580773 in words is "one trillion, nine hundred seventy-two billion, one hundred forty-two million, five hundred eighty thousand, seven hundred seventy-three".