61047314197 has 2 divisors, whose sum is σ = 61047314198. Its totient is φ = 61047314196.

The previous prime is 61047314191. The next prime is 61047314243. The reversal of 61047314197 is 79141374016.

61047314197 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., 60520428081 + 526886116 = 246009^2 + 22954^2 .

It is a cyclic number.

It is not a de Polignac number, because 61047314197 - 2³ = 61047314189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61047314191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30523657098 + 30523657099.

It is an arithmetic number, because the mean of its divisors is an integer number (30523657099).

Almost surely, 2^61047314197 is an apocalyptic number.

It is an amenable number.

61047314197 is a deficient number, since it is larger than the sum of its proper divisors (1).

61047314197 is an equidigital number, since it uses as much as digits as its factorization.

61047314197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 61047314197 in words is "sixty-one billion, forty-seven million, three hundred fourteen thousand, one hundred ninety-seven".