1939834897337 has 2 divisors, whose sum is σ = 1939834897338. Its totient is φ = 1939834897336.

The previous prime is 1939834897237. The next prime is 1939834897349. The reversal of 1939834897337 is 7337984389391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1728656966656 + 211177930681 = 1314784^2 + 459541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1939834897337 - 2²⁰ = 1939833848761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1939834897037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969917448668 + 969917448669.

It is an arithmetic number, because the mean of its divisors is an integer number (969917448669).

Almost surely, 2^{1939834897337} is an apocalyptic number.

It is an amenable number.

1939834897337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939834897337 is an equidigital number, since it uses as much as digits as its factorization.

1939834897337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740710656, while the sum is 74.

The spelling of 1939834897337 in words is "one trillion, nine hundred thirty-nine billion, eight hundred thirty-four million, eight hundred ninety-seven thousand, three hundred thirty-seven".