196115043231469 has 2 divisors, whose sum is σ = 196115043231470. Its totient is φ = 196115043231468.

The previous prime is 196115043231467. The next prime is 196115043231479. The reversal of 196115043231469 is 964132340511691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191550111866569 + 4564931364900 = 13840163^2 + 2136570^2 .

It is a cyclic number.

It is not a de Polignac number, because 196115043231469 - 2¹ = 196115043231467 is a prime.

It is a super-2 number, since 2×196115043231469² (a number of 29 digits) contains 22 as substring.

Together with 196115043231467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196115043231461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98057521615734 + 98057521615735.

It is an arithmetic number, because the mean of its divisors is an integer number (98057521615735).

Almost surely, 2^{196115043231469} is an apocalyptic number.

It is an amenable number.

196115043231469 is a deficient number, since it is larger than the sum of its proper divisors (1).

196115043231469 is an equidigital number, since it uses as much as digits as its factorization.

196115043231469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 196115043231469 in words is "one hundred ninety-six trillion, one hundred fifteen billion, forty-three million, two hundred thirty-one thousand, four hundred sixty-nine".