35121513197 has 2 divisors, whose sum is σ = 35121513198. Its totient is φ = 35121513196.

The previous prime is 35121513191. The next prime is 35121513241. The reversal of 35121513197 is 79131512153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23915385316 + 11206127881 = 154646^2 + 105859^2 .

It is an emirp because it is prime and its reverse (79131512153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35121513197 - 2¹⁶ = 35121447661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35121513197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35121513191) 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, 17560756598 + 17560756599.

It is an arithmetic number, because the mean of its divisors is an integer number (17560756599).

Almost surely, 2^35121513197 is an apocalyptic number.

It is an amenable number.

35121513197 is a deficient number, since it is larger than the sum of its proper divisors (1).

35121513197 is an equidigital number, since it uses as much as digits as its factorization.

35121513197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 38.

The spelling of 35121513197 in words is "thirty-five billion, one hundred twenty-one million, five hundred thirteen thousand, one hundred ninety-seven".