61963201193 has 2 divisors, whose sum is σ = 61963201194. Its totient is φ = 61963201192.

The previous prime is 61963201177. The next prime is 61963201241. The reversal of 61963201193 is 39110236916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58598853184 + 3364348009 = 242072^2 + 58003^2 .

It is a cyclic number.

It is not a de Polignac number, because 61963201193 - 2⁴ = 61963201177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61963201193.

It is not a weakly prime, because it can be changed into another prime (61963201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30981600596 + 30981600597.

It is an arithmetic number, because the mean of its divisors is an integer number (30981600597).

Almost surely, 2^61963201193 is an apocalyptic number.

It is an amenable number.

61963201193 is a deficient number, since it is larger than the sum of its proper divisors (1).

61963201193 is an equidigital number, since it uses as much as digits as its factorization.

61963201193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 61963201193 in words is "sixty-one billion, nine hundred sixty-three million, two hundred one thousand, one hundred ninety-three".