3920038530197 has 2 divisors, whose sum is σ = 3920038530198. Its totient is φ = 3920038530196.

The previous prime is 3920038530179. The next prime is 3920038530253. The reversal of 3920038530197 is 7910358300293.

Together with previous prime (3920038530179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2945723448721 + 974315081476 = 1716311^2 + 987074^2 .

It is a cyclic number.

It is not a de Polignac number, because 3920038530197 - 2¹⁸ = 3920038268053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3920038530697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960019265098 + 1960019265099.

It is an arithmetic number, because the mean of its divisors is an integer number (1960019265099).

Almost surely, 2^{3920038530197} is an apocalyptic number.

It is an amenable number.

3920038530197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920038530197 is an equidigital number, since it uses as much as digits as its factorization.

3920038530197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 3920038530197 in words is "three trillion, nine hundred twenty billion, thirty-eight million, five hundred thirty thousand, one hundred ninety-seven".