2651360472197 has 2 divisors, whose sum is σ = 2651360472198. Its totient is φ = 2651360472196.

The previous prime is 2651360472193. The next prime is 2651360472259. The reversal of 2651360472197 is 7912740631562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1817281940356 + 834078531841 = 1348066^2 + 913279^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651360472197 - 2² = 2651360472193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651360472193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325680236098 + 1325680236099.

It is an arithmetic number, because the mean of its divisors is an integer number (1325680236099).

Almost surely, 2^{2651360472197} is an apocalyptic number.

It is an amenable number.

2651360472197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651360472197 is an equidigital number, since it uses as much as digits as its factorization.

2651360472197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 2651360472197 in words is "two trillion, six hundred fifty-one billion, three hundred sixty million, four hundred seventy-two thousand, one hundred ninety-seven".