3920788999541 has 2 divisors, whose sum is σ = 3920788999542. Its totient is φ = 3920788999540.

The previous prime is 3920788999481. The next prime is 3920788999607. The reversal of 3920788999541 is 1459998870293.

It is a happy number.

3920788999541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3891462437041 + 29326562500 = 1972679^2 + 171250^2 .

It is a cyclic number.

It is not a de Polignac number, because 3920788999541 - 2²⁶ = 3920721890677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3920788999441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960394499770 + 1960394499771.

It is an arithmetic number, because the mean of its divisors is an integer number (1960394499771).

Almost surely, 2^{3920788999541} is an apocalyptic number.

It is an amenable number.

3920788999541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920788999541 is an equidigital number, since it uses as much as digits as its factorization.

3920788999541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352719360, while the sum is 74.

The spelling of 3920788999541 in words is "three trillion, nine hundred twenty billion, seven hundred eighty-eight million, nine hundred ninety-nine thousand, five hundred forty-one".