196494318101 has 2 divisors, whose sum is σ = 196494318102. Its totient is φ = 196494318100.

The previous prime is 196494318091. The next prime is 196494318133. The reversal of 196494318101 is 101813494691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108323923876 + 88170394225 = 329126^2 + 296935^2 .

It is a cyclic number.

It is not a de Polignac number, because 196494318101 - 2¹⁰ = 196494317077 is a prime.

It is a super-2 number, since 2×196494318101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196494312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98247159050 + 98247159051.

It is an arithmetic number, because the mean of its divisors is an integer number (98247159051).

Almost surely, 2^196494318101 is an apocalyptic number.

It is an amenable number.

196494318101 is a deficient number, since it is larger than the sum of its proper divisors (1).

196494318101 is an equidigital number, since it uses as much as digits as its factorization.

196494318101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 196494318101 in words is "one hundred ninety-six billion, four hundred ninety-four million, three hundred eighteen thousand, one hundred one".