196811974689007 has 2 divisors, whose sum is σ = 196811974689008. Its totient is φ = 196811974689006.

The previous prime is 196811974688983. The next prime is 196811974689049. The reversal of 196811974689007 is 700986479118691.

It is a weak prime.

It is an emirp because it is prime and its reverse (700986479118691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196811974689007 - 2³¹ = 196809827205359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196811974680007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98405987344503 + 98405987344504.

It is an arithmetic number, because the mean of its divisors is an integer number (98405987344504).

Almost surely, 2^{196811974689007} is an apocalyptic number.

196811974689007 is a deficient number, since it is larger than the sum of its proper divisors (1).

196811974689007 is an equidigital number, since it uses as much as digits as its factorization.

196811974689007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 76.

The spelling of 196811974689007 in words is "one hundred ninety-six trillion, eight hundred eleven billion, nine hundred seventy-four million, six hundred eighty-nine thousand, seven".