1935695319139 has 2 divisors, whose sum is σ = 1935695319140. Its totient is φ = 1935695319138.

The previous prime is 1935695319067. The next prime is 1935695319157. The reversal of 1935695319139 is 9319135965391.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1935695319139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1935695319179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967847659569 + 967847659570.

It is an arithmetic number, because the mean of its divisors is an integer number (967847659570).

Almost surely, 2^{1935695319139} is an apocalyptic number.

1935695319139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1935695319139 is an equidigital number, since it uses as much as digits as its factorization.

1935695319139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26572050, while the sum is 64.

The spelling of 1935695319139 in words is "one trillion, nine hundred thirty-five billion, six hundred ninety-five million, three hundred nineteen thousand, one hundred thirty-nine".