196906477741 has 2 divisors, whose sum is σ = 196906477742. Its totient is φ = 196906477740.

The previous prime is 196906477739. The next prime is 196906477841. The reversal of 196906477741 is 147774609691.

196906477741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172872176841 + 24034300900 = 415779^2 + 155030^2 .

It is an emirp because it is prime and its reverse (147774609691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196906477741 - 2¹ = 196906477739 is a prime.

Together with 196906477739, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 196906477741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196906477441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98453238870 + 98453238871.

It is an arithmetic number, because the mean of its divisors is an integer number (98453238871).

Almost surely, 2^196906477741 is an apocalyptic number.

It is an amenable number.

196906477741 is a deficient number, since it is larger than the sum of its proper divisors (1).

196906477741 is an equidigital number, since it uses as much as digits as its factorization.

196906477741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 196906477741 in words is "one hundred ninety-six billion, nine hundred six million, four hundred seventy-seven thousand, seven hundred forty-one".