196709385789031 has 2 divisors, whose sum is σ = 196709385789032. Its totient is φ = 196709385789030.

The previous prime is 196709385789001. The next prime is 196709385789101. The reversal of 196709385789031 is 130987583907691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196709385789031 - 2²¹ = 196709383691879 is a prime.

It is a super-2 number, since 2×196709385789031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196709385789001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98354692894515 + 98354692894516.

It is an arithmetic number, because the mean of its divisors is an integer number (98354692894516).

Almost surely, 2^{196709385789031} is an apocalyptic number.

196709385789031 is a deficient number, since it is larger than the sum of its proper divisors (1).

196709385789031 is an equidigital number, since it uses as much as digits as its factorization.

196709385789031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617258880, while the sum is 76.

The spelling of 196709385789031 in words is "one hundred ninety-six trillion, seven hundred nine billion, three hundred eighty-five million, seven hundred eighty-nine thousand, thirty-one".